Following code in your forum prefs:
[img align=right]url of the image here[/img]forumText
[br clear=all]
Yes, as Evy said, only without the <br clear="all" />
Perfect! :D I was told the clear all had to be added as well, but apparently it also works without. :P Though it changed the brackets, it's meant to be: [*br clear=all] without the star