A way to cancel adding an image would be nice. Incase you change your mind or something. Maybe click the bookmarklet again or a timeout if you don't select an

A way to cancel adding an image would be nice. Incase you change your mind or something. Maybe click the bookmarklet again or a timeout if you don't select an image after 15-30 seconds, it goes away. Other then that, I like the design (and after reading the comments here, I could figure out what it did).