Just email it to yourself.
hit the home button and the sleep button at the same time...it does a screen capture.![]()
Would that not still require me to use my computer?
Did you even read the OP's post?
Correct, I'm unaware of a way to post an image directly from the iPhone itself. Unless something like photobucket/flickr has an iPhone app which will allow you to upload pictures directly from your iPhone. Then you can just copy and paste the url.
Would that not still require me to use my computer?