Blog posts grid thumbnails with caption?

Hi there team Enfold,

Is there any way to add captions on top of an image thumbnail, that will show when you use the blog posts grid element? I would like the thumbnail to show a text like “New project” (white font on orange background). The “New project” caption should not show on the feature image in the blog post itself, only on the thumbnail. I would like to toggle between 3 different captions on the thumbnail images saying either “New project”, “About us” or “New Inspiration”. Is that possible to do so? And is it possible to do it, so that the client could write the caption without having to code anything themselves, when they make a new blog post?

Best regards,
Lisbeth