How to see thumbnails of DDS, PSD and TGA files

Use this little beauty.

Sage Thumbs - open source

A Windows Explorer extension allowing to preview many image formats

Features

• Extended thumbnail image view of Explorer folder
• Thumbnail image in explorer context menu (right-click menu)
• Extended info tips
• Support 162 image formats (224 extensions)
• Support additional 26 image formats via XnView plugins (if installed)
• Send by mail support
• One-click conversion to popular image formats support
• Wallpaper selection support
• Copy to clipboard support