A local artist has t-shirts of mayor Nenshi in a scuba mask on sale with proceeds going to the Red Cross as well. Based on the twitter feed (@BadPortraits), it's 100% to Red Cross. Think I'll have to get one.
http://badportraitproject.com/floodrelief.cfm
Also, these necklaces are being sold for $40 with 100% of proceeds going to the Red Cross: