Some pictures of lenses.

[KhanhD]

http://farm6.static.flickr.com/5005/5341845642_86c182e6a2_z.jpg (http://www.flickr.com/photos/28793604@N04/5341845642/)
24-105L (http://www.flickr.com/photos/28793604@N04/5341845642/) by k.duong (http://www.flickr.com/people/28793604@N04/), on Flickr

My favorite.
http://farm6.static.flickr.com/5083/5341237899_e15f2c4181_z.jpg (http://www.flickr.com/photos/28793604@N04/5341237899/)
24-105L (http://www.flickr.com/photos/28793604@N04/5341237899/) by k.duong (http://www.flickr.com/people/28793604@N04/), on Flickr

http://farm6.static.flickr.com/5164/5341848556_19ab54f08e_z.jpg (http://www.flickr.com/photos/28793604@N04/5341848556/)
10-20 (http://www.flickr.com/photos/28793604@N04/5341848556/) by k.duong (http://www.flickr.com/people/28793604@N04/), on Flickr

http://farm6.static.flickr.com/5083/5341846402_0857381b80_z.jpg (http://www.flickr.com/photos/28793604@N04/5341846402/)
10-20 (http://www.flickr.com/photos/28793604@N04/5341846402/) by k.duong (http://www.flickr.com/people/28793604@N04/), on Flickr

Setup was a mirror for the floor, a LCD monitor for the background, 580EXII through a DIY beauty dish slightly to camera left and slightly above.

And just for fun a Rocket Blower
http://farm6.static.flickr.com/5249/5329095922_f5074cdfc0.jpg (http://www.flickr.com/photos/28793604@N04/5329095922/)
Day 5 (http://www.flickr.com/photos/28793604@N04/5329095922/) by k.duong (http://www.flickr.com/people/28793604@N04/), on Flickr