Is it a static gif or jpeg, or is it an animated flash image, Kaz? If it's a flash file, you need to adapt the following code to put in your signature box in your profile, the 500,100 being the image size:
[flash=500,100]http://www.xxxxxxxxxx.com/filename.swf[/flash]
Try not to make it any wider than 500, as it may not fit properly on some people's screens.
If it's a standard image, then just replace the [flash=500,100] part with [img], and it should work.
Come back to us if you have any problems, and someone will sort it for you.
