Jazz up your Mac, PC or iPhone screen with custom-designed wallpaper from Pixelgirl Presents. The free, high-quality artwork showcased here is submitted by outside creators, who provide links to their own pages for yet more choices. To download images, just click on any site. We also like the more community-oriented Social Wallpapering as well as the vast collection at Customize, which lets you search by color. Got a PC? Then head to WinCustomize for more wallpapers, desktop icons and themed skins for the Windows OS.