Review: LEGO Simpsons Collectible Minifigures Part 1 - Jay's Brick Blog
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
Review: LEGO Simpsons Minifigures Series 2 - Jay's Brick Blog