What are some alternatives?
When comparing Phot-Awe and XnView MP, you can also consider the following products
PhotoALBM - Online social photo sharing community.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Flickr - image and video hosting website
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.
Buddy Image - Buddy image is an image hosting site with unlimited storage, and up to 8mb per image.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.