I’m a Graphic Designer for a living, but I love doodling in Illustrator. Here is a collection of my drawings used on this site in addition to the hand-drawn header and our friendly neighborhood Goldfish.
Winning Possums:

How to draw a crab:

From Lima Beans To Turtles:

Story of A Relationship:

Gazelle from How The Giraffe Got His Neck:

From Day In The Life:

From The Request Line:

From How To Make A Giraffe 101:

From the post Reconciling Art:

From The Prize:

A typing monkey from A Rivulet of Consciousness:

A dog that looks rather more like a fox from Dear Goldfish Part 18:

From the post Show and Tell:

From The post Well-Known Facts: World Record Mammal Edition:

From The post Of Mice And Memory:

I will let you use any of these if you give me credit and link back to here. I think that’s a fair trade, so, please, don’t steal. It’s just rude.