tribe_events_list_widget_featured_image_link
Plugin: The Events Calendar PRO
Filter Hook: Filters whether the featured image link should be added to the Events List Widget
tribe_events_list_widget_before_the_event_image
Plugin: The Events Calendar PRO
Action Hook: Fire an action after the list widget featured image
tribe_events_list_widget_thumbnail_size
Plugin: The Events Calendar PRO
Filter Hook: Allow the default post thumbnail size to be filtered