Edit my signature?

[Peter_Morgan]

I've tried to edit my signature but I can't. Ive tried deleting the old before adding the new, but it still reverts to the old?
This is what I would like to add, maybe somone could do it for me please?

http://www.northants4x4.com/responseandlogocopy.png (http://www.northants4x4.com)


Thanks very much.

[Simon Bentley]

You have to upload images for use in your signature - you cannot use code to display images hosted off site.

[Peter_Morgan]

Thanks Simon