Well, if nothing else, I can see from this shot that my lens is dirty!
Top-mounted flash, tilted to bounce off wall behind. Adjusted the color temp and tint to get rid of orange-ish cast from reflection.
Exposure: f/5.6 1/60s, -1, ISO 1600
Exposure Mode: Auto
Focal Length: 60.0 mm
Lens: EF-S60mm f/2.8 Macro USM
Flash: Fired, compulsory mode
Metering Mode: Evaluative
Custom Rendered: Normal process
White Balance: Auto
Scene Capture Type: Standard
Model: Canon EOS 40D