rendered it with cycles theres a hdri include from http://www.hdrlabs.com/sibl/archive.html. have fun and may the force be with you. for a whole pack of lightsabers check out here! http://bit.ly/28WGNtN
Thanks for the link but can I use those light sabers in cycles?
the blade has a red emission material that you need to change and you need to change the color ramp in the pp node setup
check out this pack of lightsabers http://bit.ly/1PKaESR