[markem]

Originally Posted by Volt

Free and easy to the point even I can do it.

http://www.irfanview.com/

This is how I resize all my pics for uploading to the forums. Set the aspect ratio as locked and then scale by digital photos to 20% of the original to get a nice size for uploading.

I also use gimp2, but mostly for more complex stuff like scaling animated gifs.