Well, I think the tree isn't actually straight, for a start (I should have actually got the computer to do that for me by now), I'll sort that out asap.
As far as an avatar goes, I can have a go at a couple of things.
@Alhimik Try putting part of the logo with semi-transparency over the background of the signature, might look quite nice, might look horrible! (let me know if you need higher resolution versions of the image)
