I've decided to sell one of my bigger pieces of artwork. This one, featuring Colin Baker as the 6th Doctor is up on eBay for 10days:

http://www.ebay.co.uk/itm/251009179149?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649#ht_1354wt_1344

The artwork is approx 12 x 8.5 inches (UK A4 size).