What are some alternatives?
When comparing Phot-Awe and IrfanView, you can also consider the following products
PhotoALBM - Online social photo sharing community.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Flickr - image and video hosting website
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Buddy Image - Buddy image is an image hosting site with unlimited storage, and up to 8mb per image.