MysticThumbs generates thumbnails of many image formats not negatively supported by Windows. It plugs into Windows Explorer so you don't have to run a separate application to preview your images, see them all in the native shell and Open/Save dialog boxes in all 32 and 64 bit applications. Feature include where photoshop, RAW Photography images, DirectX game textures and all sorts of other images never looked so good in Explorer, all supported file types are all fully configurable. It has transparency support - opaque, transparent, checkerboard, image viewer to inspect all supported file types via context menu, individual image customization via context menu and plugin support so you can add your own formats.