IrfanView is a very fast, small, compact and innovative FREEWARE (for non-commercial use)
graphic viewer for Windows 9x/ME/NT/2000/XP/2003.
It is trying to be simple for beginners
and powerful for professionals.
IrfanView was the first Windows graphic viewer WORLDWIDE with Multiple (animated) GIF
One of the first graphic viewers WORLDWIDE with Multipage TIF support.
The first graphic viewer WORLDWIDE with Multiple ICO support. (Source: irfanview.com @ 24-01-2004 - 9.34 (GMT))
I am using this tool to view my photographs and other images I got over the internet.
You can also directly download additional plugins. ShareNoEvil. (24-01-2001)