Yeah I always used Paint on Windows XP as a quick-lauching way of creating avatars, annotating photos with circles and scribbles etc. - I thought it was an outrage that Preview didn't have an "Adjust size by percentage" until LEOPARD! Yet there is still no way to simply add a red circle to something (e.g. pointing out something I took on a photo to post on a forum).. I am stuck with hunting through MacRumors and Google for suitable apps to do that simple task!