you can`t really do it if e.g. the image was going to be posted here
in that case you`d need to <img src="...."> to a script on your server that generates / returns the image, and then you`d need to depend on the user agent being OK
(,
Sun 12 Feb 2006, 22:19,
archived)
in that case you`d need to <img src="...."> to a script on your server that generates / returns the image, and then you`d need to depend on the user agent being OK