Red thick scaly rash photos

These are the only photos of the rash that erupted on several occasions earlier this year and haven't resurfaced since July 11th, 2010.

I had done nothing different on any of the occasions it appeared. Same habits, foods, clothing, location.

My left arm, July 2010

Left arm on July 11th, 2010

Right arm by the wrist July 11, 2010

Right arm July 9, 2010

Right arm July 9, 2010

Left arm July 11, 2010

Left arm July 11, 2010

Right arm July 11, 2010