Here are some of the better tutorials in lighting for Vue... The last one looks like a good tool...

http://nggalai.com/tutorials/tut_01.htm

http://www.varian.net/dreamview/dreamdesign/evd/class/index.html

http://www.varian.net/dreamview/dreamdesign/evd/light/index.html

http://www.e-onsoftware.com/support/tutorials/?page=3&cf=%2Fsupport%2Ftutorials%2F

http://www.e-onsoftware.com/support/tutorials/?page=4&cf=%2Fsupport%2Ftutorials%2F

http://www.perpetualvisions.com/articles-and-graphics/review-lightune.htm