This is a really good program for making your own animated desktops or wall paper, you can also bring the size down to make smaller animated pictures.
Its not a free program though.... but there is a free 30 day trial though.
Website link....
http://www.nufsoft.com/naturestudio.php
.
About....
Illusion Studio Professional Edition”. Transform your real-world photo into an animated nature scene by adding a wide array of water, weather and sound effects to your own photos and images

.
features....
•Apply up to 6 types of water effects to a single image.
•Add Animated Objects to image. Supports animated GIF. ** NEW **
•Add snow or rain.
•Add sound effects up to 8 channels.
•A library of water presets for various effects, including Waterfall, Lake, River, Fire, Fog, etc.
•Auto View mode provides you with instant feedback on your changes in real time.
•Save your creation as a screensaver, executable file, GIF or AVI file.
•Created nature scenes can be used in Water Illusion Screensaver, or Ace Pro Screensaver Creator
•Works with Windows 7, Vista, XP, 2000, ME, NT, 98, 95

this is one good program thanks for sharing ^^