this might do well for you, XnView, it is freeware also. So dont have to worry about the limitation of a shareware app
http://www.xnview.com
"Come to discover XnView, a software to view and convert graphic files, really simple to use ! Support of more than 400 graphics formats ! It's free, so do not hesitate !"
check past postings also. this past post has links for over 20 links with varying versions
http://www.oldversion.com/talk/index.php?a...st=0&#entry4593