Calling jrCore_list with:
module="jrVideo"
order_by="_created desc"
limit="6"
template="slider_hero_item.tpl"

HERO ITEM DEBUG:
$_items exists: YES
$_items is_array: YES
$_items count: 6
First item keys: _created, _profile_id, _updated, _user_id, video_active, video_album, video_album_url, video_display_order, video_file_bitrate, video_file_extension, video_file_length, video_file_name, video_file_original_extension, video_file_original_name, video_file_original_size, video_file_original_time, video_file_original_type, video_file_preview, video_file_size, video_file_stream_count, video_file_time, video_file_type, video_image_extension, video_image_height, video_image_name, video_image_size, video_image_time, video_image_type, video_image_width, video_pending, video_title, video_title_url, _item_id, user_active, user_email, user_group, user_image_extension, user_image_height, user_image_name, user_image_size, user_image_time, user_image_type, user_image_width, user_jrAction_item_count, user_jrDeveloper_item_count, user_jrGallery_item_count, user_jrVideo_item_count, user_jrYouTube_item_count, user_language, user_last_login, user_name, user_validate, user_validated, user_created, user_updated, arena_status, is_arena_ready, battle_ready, is_battle_ready, ready_status, pit_status, is_pit_ready, pit_ready, pit_reviews_count, profile_active, profile_amBattles_item_count, profile_bio, profile_city, profile_country, profile_disk_usage, profile_header_image_extension, profile_header_image_height, profile_header_image_name, profile_header_image_size, profile_header_image_time, profile_header_image_type, profile_header_image_width, profile_image_extension, profile_image_height, profile_image_name, profile_image_size, profile_image_time, profile_image_type, profile_image_width, profile_influences, profile_jrAction_item_count, profile_jrDeveloper_item_count, profile_jrFollower_approve, profile_jrGallery_item_count, profile_jrPayment_payout_email, profile_jrVideo_item_count, profile_jrYouTube_item_count, profile_location, profile_name, profile_private, profile_quota_id, profile_state, profile_url, profile_view_count, profile_website, profile_youtube_channel_id, profile_youtube_channel_username, profile_youtube_last_sync_date, profile_created, profile_updated, quota_amBattles_allowed, quota_amBattles_max_items, quota_amBattles_pending, quota_amFilters_enable_filters, quota_amFilters_filter_cache_time, quota_amFilters_max_filter_results, quota_amPlayersAudio_allowed, quota_amPlayersReels_allowed, quota_amPlayersVideo_allowed, quota_amVideo_allowed_video_types, quota_amVideo_download_allowed, quota_amVideo_stream_allowed, quota_amVideo_video_conversions, quota_audioFilter_allowed, quota_audioFilter_max_items, quota_audioFilter_pending, quota_jrAction_allowed, quota_jrAction_can_create_reels, quota_jrAction_can_post, quota_jrAction_can_react, quota_jrAction_can_switch_views, quota_jrAction_can_use_filters, quota_jrAction_can_view_reels, quota_jrAction_max_shares_per_day, quota_jrAction_max_timeline_items, quota_jrAction_pending, quota_jrAction_show_add, quota_jrAction_show_detail, quota_jrAkismet_allowed, quota_jrAudio_advanced_analytics, quota_jrAudio_allowed, quota_jrAudio_allowed_audio_types, quota_jrAudio_analytics_access, quota_jrAudio_analytics_history_days, quota_jrAudio_audio_tag, quota_jrAudio_can_create_public_projects, quota_jrAudio_can_export_analytics, quota_jrAudio_can_invite_collaborators, quota_jrAudio_can_upload_album, quota_jrAudio_can_upload_audiobook, quota_jrAudio_can_upload_beat, quota_jrAudio_can_upload_ep, quota_jrAudio_can_upload_loop, quota_jrAudio_can_upload_mixtape, quota_jrAudio_can_upload_podcast, quota_jrAudio_can_upload_radio_show, quota_jrAudio_can_upload_song, quota_jrAudio_can_upload_sound_effect, quota_jrAudio_can_use_realtime_collaboration, quota_jrAudio_can_use_version_control, quota_jrAudio_collaboration_allowed, quota_jrAudio_conversion_bitrate, quota_jrAudio_download_allowed, quota_jrAudio_max_album_uploads, quota_jrAudio_max_beat_uploads, quota_jrAudio_max_collaboration_projects, quota_jrAudio_max_items, quota_jrAudio_max_podcast_uploads, quota_jrAudio_max_song_uploads, quota_jrAudio_pending, quota_jrAudio_stream_allowed, quota_jrAudiopoll_voter, quota_jrAudioWatermark_allowed, quota_jrBlog_allowed, quota_jrBlog_max_items, quota_jrBlog_pending, quota_jrBundle_allowed, quota_jrBundle_max_items, quota_jrBundle_pending, quota_jrBundle_show_bundle_only, quota_jrCharts_allowed, quota_jrChat_allowed, quota_jrChat_create_chats, quota_jrChat_create_emails, quota_jrChat_create_rooms, quota_jrChat_file_types, quota_jrChat_followers_only, quota_jrChat_max_size, quota_jrCombinedVideo_allowed, quota_jrComment_allowed, quota_jrComment_allowed_file_types, quota_jrComment_attachments, quota_jrComment_pending, quota_jrComment_profile_delete, quota_jrComment_show_detail, quota_jrCore_active_formatters, quota_jrCore_allow_all_html, quota_jrCore_allowed_tags, quota_jrCore_disk, quota_jrCore_max_upload_size, quota_jrDisqus_allowed, quota_jrDisqus_show_detail, quota_jrDocs_allowed, quota_jrDXSuite_allowed, quota_jrEmbed_allowed, quota_jrEvent_allowed, quota_jrEvent_allowed_attending, quota_jrEvent_allowed_recurring, quota_jrEvent_max_items, quota_jrEvent_pending, quota_jrFAQ_allowed, quota_jrFAQ_max_items, quota_jrFAQ_pending, quota_jrFile_allowed, quota_jrFile_allowed_file_types, quota_jrFile_download_allowed, quota_jrFile_max_items, quota_jrFile_pending, quota_jrFlagItem_allowed, quota_jrFlickr_allowed, quota_jrFlickr_max_items, quota_jrFlickr_pending, quota_jrFollower_share_type, quota_jrForum_allowed, quota_jrForum_bbcode_signature, quota_jrForum_can_post, quota_jrForum_file_attachments, quota_jrForum_signature, quota_jrGallery_allowed, quota_jrGallery_gallery_group, quota_jrGallery_gallery_order, quota_jrGallery_max_items, quota_jrGallery_pending, quota_jrGenCore_allowed, quota_jrGenStory_allowed, quota_jrGroup_allowed, quota_jrGroup_max_items, quota_jrGroup_pending, quota_jrGroupMailer_allowed, quota_jrGroupMailer_auto_tpl, quota_jrGuestBook_allowed, quota_jrGuestBook_pending, quota_jrImage_allowed_image_types, quota_jrImage_max_image_size, quota_jrImage_watermark, quota_jrImage_watermark_cutoff, quota_jrImage_watermark_sale_only, quota_jrImage_watermark_x_offset, quota_jrImage_watermark_y_offset, quota_jrInvite_allowed, quota_jrInvite_invitee_type, quota_jrInvite_max_items, quota_jrInvite_pending, quota_jrLandingPage_allowed, quota_jrLike_allow_self_likings, quota_jrLike_allowed, quota_jrLike_show_detail, quota_jrOneAll_allowed, quota_jrPage_allowed, quota_jrPage_max_items, quota_jrPage_pending, quota_jrPayment_allowed, quota_jrPayment_include_shipping, quota_jrPayment_include_tax, quota_jrPayment_payout_percent, quota_jrPayment_show_purchases, quota_jrPayPal_allow_change, quota_jrPayPal_allowed, quota_jrPayPal_default_currency, quota_jrPayPal_show_downloads, quota_jrPhotoAlbum_allowed, quota_jrPhotoAlbum_max_items, quota_jrPhotoAlbum_pending, quota_jrPlaylist_allowed, quota_jrPlaylist_max_items, quota_jrPlaylist_pending, quota_jrPoll_allowed, quota_jrPoll_max_items, quota_jrPoll_pending, quota_jrPoll_voter, quota_jrPrivateNote_allowed, quota_jrPrivateNote_followers_only, quota_jrProduct_allowed, quota_jrProduct_max_items, quota_jrProduct_pending, quota_jrProfile_admin_note, quota_jrProfile_cap_type, quota_jrProfile_default_privacy, quota_jrProfile_name, quota_jrProfile_privacy_changes, quota_jrProfile_profile_count, quota_jrProfile_url_changes, quota_jrProfileStreamPay_allowed, quota_jrProfileStreamPay_audio_amount, quota_jrProfileStreamPay_video_amount, quota_jrProfileTweaks_allow_background_image, quota_jrProfileTweaks_allow_index_redirect, quota_jrProfileTweaks_allow_logo, quota_jrProfileTweaks_allow_skin, quota_jrProfileTweaks_allowed, quota_jrProfileTweaks_default_index, quota_jrProfileTweaks_default_skin, quota_jrRadio_allowed, quota_jrRadio_max_items, quota_jrRadio_pending, quota_jrRating_allow_self_ratings, quota_jrRating_allowed, quota_jrRecommend_allowed, quota_jrServiceShop_allowed, quota_jrServiceShop_max_items, quota_jrServiceShop_pending, quota_jrShareThis_allowed, quota_jrShareThis_show_detail, quota_jrShareThis_show_reaction, quota_jrSitemap_allowed, quota_jrSmiley_allowed, quota_jrSmiley_show_selector, quota_jrTags_allowed, quota_jrTags_own_items_only, quota_jrTags_show_detail, quota_jrTicket_allowed, quota_jrTicket_close_access, quota_jrTicket_file_attachments, quota_jrTicket_priority_inbox, quota_jrTicket_write_access, quota_jrTOS_show_tos, quota_jrTracker_allowed, quota_jrTracker_create, quota_jrTracker_delete, quota_jrTracker_file_types, quota_jrTwilio_allowed, quota_jrTwoFactor_allowed, quota_jrUpimg_allowed, quota_jrUser_add_to_timeline, quota_jrUser_allow_signups, quota_jrUser_device_notice, quota_jrUser_login_page, quota_jrUser_power_user, quota_jrUser_power_user_max, quota_jrUser_power_user_quotas, quota_jrUser_signup_method, quota_jrUser_signup_page, quota_jrUserPoints_allowed, quota_jrUserPoints_inc_key, quota_jrUserPoints_inc_key_description, quota_jrUserPoints_inc_key_module, quota_jrUserPoints_inc_key_value, quota_jrUserPoints_module_points, quota_jrVideo_allowed, quota_jrVideo_allowed_video_types, quota_jrVideo_download_allowed, quota_jrVideo_max_items, quota_jrVideo_pending, quota_jrVideo_stream_allowed, quota_jrVideo_video_conversions, quota_jrVideoPlayers_allowed, quota_jrVimeo_allowed, quota_jrVimeo_max_items, quota_jrVimeo_pending, quota_jrYouTube_allowed, quota_jrYouTube_channel_sync, quota_jrYouTube_max_items, quota_jrYouTube_pending, quota_jrYouTube_youtube_search, quota_misBeats_allowed, quota_misBeats_allowed_beat_types, quota_misBeats_beat_tag, quota_misBeats_conversion_bitrate, quota_misBeats_download_allowed, quota_misBeats_max_items, quota_misBeats_pending, quota_misBeats_stream_allowed, quota_misMedia_allowed, quota_misMedia_max_items, quota_misMedia_pending, quota_misRadio_allowed, quota_misRadio_max_items, quota_misRadio_pending, quota_ujCodePlay_allowed, quota_ujCodePlay_max_items, quota_ujCodePlay_pending, quota_ujSkype_allowed, quota_ujSkype_allowed_skype_types, list_rank