There are Multiple Wallpapers in this single app. You can easily search through them in order to pick which one you like best. Simply hit "Set Wallpaper" to set the image to be your new wallpaper.
Adorable Panda at zoo
and more . . .
Disclaimer: All images used in this are either public domain images or images which the license to has been procured. Email [email protected]
for immediate response to questions of authenticity.