Casey Theme

Wow, wonder how many takes it took to get that right?!

Casey is a clean, modern theme for tumblr which supports all tumblr post types and is highly customisable.

Features:

Custom colours for text, links and footer sections.
Use your own logo or background image.
Integrated twitter, flickr & last fm widgets - show recent tweets, photos and music in the sidebar.
Custom titles for widget sections.
Include sponsors/ads.
Show recent likes.
Support for google analytics and disqus comments.
Clean, semantic HTML5 and CSS3 markup.
Many more customisable options.
Full documentation.