Wang Thumbnail

I want to create a simple application to show the thumbnails of all the .jpg files in a directory. (yes, I knowthere are a million and one free ones available). I don't know much about imaging and unfortunatley as I fiddle with the Wang Thumbnail control, I can't seem to figure out how to use it on my own. Could someone provide a simple code sample to display thumbnails. It doesn't have to be using the Wang control, I just figured if that was what it was for then I might as well use it.

How 'bout enumerating all of the GFX in the dir with the dirlistbox control, and then finding the ones with supported filenames, then "load" a new form (Child of an MDI) with the filename loaded as the bg.