Post : Blog Options
Following options available on standard blog posts.

Those options are not available on Regular Blog listing.
Caption Background : Transparent or Visible options are available.
Caption Type : Title and Data, Title Only, Title-Date and Excerpt, Title-Date-Excerpt and inline Read More Link, Empty options are available.
Caption Position : Top, Right, Bottom and Left options are available.
Custom Thumbnail Coloring;
Thumbnail Icon : Select an icon for your thumbnail. Only available on Blog : Metro page template.
Overlay Color : Overlay background color in RGBA format. That means you can even set opacity color.
Overlay Text Color : Text color of your caption.
Metro Sample : http://enjooy.freevision.me/layout2/journal/metro-style/
Wall Sample : http://enjooy.freevision.me/layout2/journal/wall-style/