Weird JPEG Quirk

http://www.konami.co.jp/am/bm2dx/bm2dx11/g2arts_golistmas2.html
I never knew that thumbnails could actually be INCLUDED in JPEG images. This is really cool. If you’re using Windows XP, download this image to a folder and look at the folder in thumbnail view. Although in full-size this JPG shows up as a wallpaper advertising the upcoming Secret Live 2, the thumbnail is the wallpaper for Happy Wedding. Weird stuff.