Dioramas are small scenes created with miniatures. Here you can find a collection of articles about dioramas. I've collected the sources and diorama tutorials I've found interesting.
Rich C (for Warlord Games): How To: Diorama Top Tips: Article, with ideas about diorama design by several people.
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Do you know further methods on creating dioramas? Do you know other good sources? Tell us in the comments!