BlackBerryInsight just fixed their service of free BlackBerry wallpapers
. Unlimited BlackBerry optimized wallpapers can be searched through a fancy interface and sent to yourself or your buddy by email
Check out the article: BlackBerryInsight » Free Service: BlackBerryInsight Wallpapers have been fixed and are better than ever!
I was too lazy to search and therefor I took the wallpaper from the article for my Curve