Either you have lost images or you have images that are not showing preview, you can easily have them fixed. You can easily recover the images from the memory and save it in any format or repair the corrupt images.
The tool called PixRecovery is very much capable of different tasks and can repair corrupted JPEG, GIF, TIFF or BMP images (.jpg, .jpeg, .gif, .tiff, .bmp). The image then can be saved in any format that the tool supports.
• Recovers image with original dimensions and color depth
• Recovers color palette
• Image formats supported: BMP, GIF87a, GIF89a, JPEG, TIFF
• Easy to use, no special user skills required
• Full install/uninstall support
The tool is worth a try and can be easily used on any OS including Win 7.