I saw something like this but wasn't that satisfied with it so I made my own
Tumblr logo in Satisfaction font. By http://tumboy.tumblr.com/
Does what it says on the tin.
A set of dashboard icons in a Harry Potter theme, inspired by Pottermore.
"[Tumblr 'new post'] Icons in Gallifreyan, compatible with the "new" tumblr layout. The "images" are the actual words transliterated using shermansplanet.com Gallifreyan"
A tumblr dashboard style with woods
Dashboard post icons for Tumblr designed around Loki/Tom Hiddleston
221B knocker, skull, violin, deerstalker, Browning L9a1.
The Solarized color scheme for Gridlr SS. Should also work on normal Tumblr. Get Gridlr SS here: http://userstyles.org/styles/88340/