How can I make the thumb nails 100 x 100, in a way that it doesn't look stretched out.
Please post a link to your gallery (http://forum.coppermine-gallery.net/index.php/topic,55415.msg270616.html#msg270616) as requested by board rules. Btw, your question should be answered in the docs (http://coppermine-gallery.net/demo/cpg14x/docs/index.htm).