Hey Carl
Gravatars are cool! And it's great that VineType supports them.
I had to tweak my XHTML template (add the $_gravatar variable) to get them to show up, but I like tweaking anyhow.
Glad you like them. And yes, tweaking can and will occur because templates are rarely tested against each and every feature and enhancement. I can see you like tweaking! I'm glad to see you sharing your insights in this forum.