Spotted a cool and unique tumblr theme at Ziked.com:

This is a very nice dark Tumblr theme- good use of three columns to show off the author’s work!

Check out this beautiful custom tumblr theme for a screenwriting tumblelog:

Very nice design and some great content too!

One of the great design sites, Ordered List, as a new tumblelog:

Ordered List has recently been redesigned, and the color scheme is beautiful.

Check out this very nice custom theme at esquareda.com - I love the little calendar icons.

A couple of the more well-known tumblelogs have been redesigned lately. Take a look:

Cameron.io

The new design is has nice details and an extended footer.

Cubicle17

With a soothing shade of grey and perfect use of whitespace this new design is easy on the eyes.

Here’s one of the coolest tumblr themes I’ve seen so far:

The little colorful block on the right is actually a color chooser, filled with some really nice color scheme choices.  I’ve e-mailed the site owner to see if they will share how that was accomplished, and if I find out, I’ll share it here.

This is a beautiful, dark theme at a tumblelog called awake,asleep.

As I roam around the tumbl-sphere, I’ll post nice customized designs I find.  Here’s the first. It’s a clean brown theme at the roamin tumblelog: