IGN has a wallpaper section on there site: http://ign.com/wikis/ps-vita/PS_Vita_Wallpapers
They have some great 544p Pictures there
"Additionally, you can visit this page from your PS Vita browser and save images directly. Just tap the thumbnails below to open the fullsize version and tap and hold it to save to your photo library."
"The PS Vita's display can be customized to display images for each panel of apps and games, as well as the lock screen. To change your wallpaper settings, just tap any icon and hold until the edit menu appears. In the lower right corner you'll find the wallpaper icon. From here you'll find both images from your photo library and Sony's preset wallpapers."
Source: http://ign.com/wikis/ps-vita/PS_Vita_Wallpapers
Edit: Also PS1 Classics are comming
"Shortly After Launch" - Playstation EU
