Master dDo for Photoshop with this complete overview by Wiktor Ohman.
Gnomon - Design Techniques for 3D Concept Art
The Gnomon Workshop present Design Techniques for 3D Concept Art, a DVD tutorial by Gavriil Klimov.
Alexander Koshelkov - Creating Luftbanza Airlines
See how Alexander Koshelkov created his Luftbanza Airlines image in Photoshop.
Nondestructive Image Flattening and Reflection Removal
James Busby demonstrates nondestructive image flattening and reflection removal in Photoshop.