A method, system, and non-transitory physical storage medium for rendering theme-based digital assets in a media-based project having one or more searchable templates searchable through a graphical user interface (GUI), the method including tagging each of the searchable templates with one or more tag words relative to each searchable template's content; automatically retrieving one or more tag words corresponding to a current template of a currently-active media-based project; automatically retrieving one or more related tag words that correspond to the tag words of the current template; automatically forming one or more tag groups for the current template, each tag group comprising one or more of the tag words and/or one or more of the related tag words; and automatically searching for one or more related templates from among the searchable templates using one or more of the tag groups as search terms in a search engine.