Here is a link to the University of Nebraska-Extension’s new rain garden animation site. Click on the rain cloud to see the garden fill up. Click on the labels for explanations. Click on the profile view to see a cross-section of a rain garden with more labels.

http://water.unl.edu/c/document_library/get_file?uuid=bb3e4c0c-73bb-4295-b529-738f20609d0d&groupId=468067&.swf