Charity Auction

I have been asked to donate a print to be auctioned off to benefit a local charity, don't really know what to select. So far this these are my picks, all very different styles from each other. Anyone have any suggestions? What would you most like on your wall? You can look to my portfolio page or my Flickr. I think I'm going to have it 16x24 gallery wrapped, but I'll have to see how much time I have to get everything together. Thanks for any input!!!