BrickLink - Set 71005-1 : LEGO Minifigure, The Simpsons, Series 1 (Complete Random Set of 1 Minifigure) [Collectible Minifigures:The Simpsons:The Simpsons Series 1] - BrickLink Reference Catalog
The Brick Castle: The Simpson's LEGO Minifigures Series 2
LEGO Minifigures 'The Simpsons' Series #3 - Marge Simpson | Flickr
Review: LEGO Simpsons Minifigures Series 2 - Jay's Brick Blog