I will be posting more sites and My own additions later Short on time atm
http://charas-project.net/resources.php?wa=0&lang=en&area=16&howmany=all&fsearch=
*This is an interesting set of well, Everything. Also if you have a GIF Creator, you can cut/copy/paste and Use them for Gmaker :D.
You don't need a gif creator to import them into game maker. Game maker can create sub images from sprite sheets.
BYW, your link is screwd up. You don't need URL tags if your just pasting the entire link anyway.