I think the film cannister cartoon link is pretty funny.
This is my favorite site to peruse for mini sizes: minimus.biz
Today I found some new items!! This line is my favorite:
Poo-Pourri Odor Eliminator - 5 ml tester - for all your travel size needs
They have a version for the across the pond: Loo-Pourri
Also Doody Free, Heavy Doody, Deja Poo and MORE...I am crying as I type. Hysterical potty humor!!!