Art using traditional media, touched up digitally to add color or contrast:

Glimmer (Crayon)
Construction Drone (Pencil)
Several characters for Aspect adventures (Pencil, colored digitally)

Artwork produced primarily digitally, using Photoshop and ArtRage:

Shellton, the Mechanical Lobster
Chickenized!
Commando Chicken Clone Factory
Harry Poppins
The Ogre's Lair
Bernal Heights (San Francisco)
Hills After Rainfall (Sunol Regional Wilderness)
Copse of Trees (The Legend of Zelda: Breath of the Wild)
Lili's View