I had this nearly completed sometime in December 2008, but I have been waiting to release it because the people over at Valve were really taking their time about giving me permission to release a skin that uses Left 4 Dead artwork and branding. I finally received permission sometime at the start of June 2009, which is when I distributed the skin to several beta testers.
My testers were absolutely fantastic. I initially was using green as a second primary color, instead of the red that is now found throughout the skin, but one of my testers suggested I try red. After reworking the colors several times, I arrived at a color scheme I really liked, and was very usable. This is a very dark, grungy skin, but the text has excellent contrast, making this skin easy to use and comfortable to look at.