i figured out how to with one click from my toolbar post a picture on flickr onto my tumblr with a link back to flickr and a label of what the picture is called and who posted it. i use share on the google toolbar and click on tumblr and then it sets it all up and all you have to click on is post and then the window closes after posting. sweet. less work. now if only it would leave a comment that i posted their photo on my tumblr i'd be set.