I found some things you guys might be interested in...
http://www.positiveoffset.com/banana-alligator.htm
But as a note, that alligator clip looks exactly like this....
http://www.radioshack.com/product/in...entPage=search
from radio shack. My antistatic mat uses something identical. The ground plug has a banana clip attatched to the lead, that plugs into the back of a a aligator clip looking like the 2 above.
-John