This is a great plugin. But I have one small issue: When I write a caption for an image the credit shows up, even though when I codes do not show up in the edit page. So no matter if I want them to be there or not they show up. If I do not have a caption then when I insert the image it works properly, meaning it creates the codes for credits but I can remove them if I want.
I suggest adding qTranslate support for the next versions: