…..Carel Pieter Brest Van Kempen. You may want to visit his website to check his artwork (and perhaps buy some, or comission your own banner). You can see some of his art also on this webpage.
He has also recently published a gorgeous book, which you can buy either here or here.
Finally, you are surely going to enjoy his beautiful blog. I hope he gets invited to be in the next wave of new SEED sciencebloggers.
I tried to upload the uncropped, unreduced, unmodified version of the banner art so you can play the game “spot and identify the most species” but it went all over the right margin and got partially covered by the Krakatoa ad. So, you can click on this to check it out. Or, let me try to post it like this and you click on the image to enlarge: