Wizards has produced two funny little flash movies as a preview for 4th edition. One is an interview with a beholder. The other is with a gnome (who looks very strange) and a tiefling.
The Red Dragon
Image may be NSFW.
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The Beholder
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The Tiefling and the Gnome
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The Mindflayer
Image may be NSFW.
Clik here to view.