Alphabet flash cards (A-D)

Set of proposed flash cards. Each one was deliberately drawn in a different style to show my range. Rejected.

Drawn using:
No. 2 pencil
Blue 0.4 mm pilot pen
Black 0.4 mm pilot pen
Black 0.5 mm pilot pen
Black 0.7 mm pilot pen
Black marker
Adobe Photoshop CS3
Adobe Illustrator CS3