on the picture from a website, 
right click mouse => properties, 
you will see Address(URL): http://...
copy the url

paste into double quotes "" of 
following html code

	<img src=""/>

then copy the resulting string 
into comment box, submit.
for example, submit something like

<img src="http://flickr.com/146
/344623583_490a03aff9_t.jpg"/>