I think title of post is very long but descriptive.The site Reddodo allows us to create animated images to customize our cell phones, either as a wallpaper or screen savers .
Reddodo gives us a series of pre-designed image ,all you have to do is to select the one you like then enter your text, customize the resolution and then download it on to your mobile. You have the option to change colors of text or image.Currently they have a list 54 different templates.
Of course, we can use this images as avatars by downloading to the pc.
Link: REddodo