Gmail allows you to change your wallpaper freely
not only does it allow the use of pre-set templates, gmail starts to support choosing very interesting mailbox wallpapers from google+, online photos or photos on your computer.
Tags : change background image
Let your photos 'shine' with GIMP's background change feature
it's easy to change the backgound of a photo in photoshop, but you don't want to pay the expensive cost for that, so gimp will be a wise choice. changing the background in gimp is