150x150 image - ad widget

Anyone know of a widget you can use to place 4 or 6 150x150 ads in the side column?

 

http://wordpress.org/extend/plugins/wp125/

Code (markup):

try this it may help you

 

I was going to mention this as well: http://wordpress.org/extend/plugins/wp125/

I know it's designed for 125x125 ads but shouldn't be too difficult to modify it for other square ads.