A simple recolour of the default Desura theme, a red version. Along with the new skin, unofficial/fan-made Desura tweaks group launches, which can be described as a group that is about "modifying, tweaking, changing Desura app and web profiles."
Red theme screenshots below.
The theme download is here:
How to install:
You simply need to copy red.xml file and red folder to your /data/themes that can be found in your Desura directory, and then change your skin via Settings / Theme options.