http://shoutbox.menthix.net/usercp.php?action=editsig
Add
code:
[img] ....... image URL [/img]
there and voila!
For example:
code:
[img] http://www.google.nl/intl/nl_nl/images/logo.gif [/img]
(ps dont use spaces)
That'll make:
You can make it clickable too:
code:
[url= http://www.google.nl ][img] http://www.google.nl/intl/nl_nl/images/logo.gif [/img][/url]
I used spaces, because else the board will make it an image...