ALSee

ALSee is a powerful and easy-to-use tool for viewing and editing digital images. The program also allows you to bulk convert images and photos (up to 1000 images at a time), edit (resize, rotate them) and create a slideshow with mp3 backing. It supports 24 image formats (ani, bmp, cal, eps, fax, gif, img, jbg, jpe, jpeg, jpg, mac, pbm, pcd, pcx, pct, pgm, png, ppm, psd, ras, tga, tif and wmf).