DILD (Dream-Initiated Lucid Dream)
CILD (Chakra Induced Lucid Dream)
PILD (Punishment Induced Lucid Dream)
RILD (Reward Induced Lucid Dream)
TILD (Thirst Induced Lucid Dream)
UILD (Urinate Induced Lucid Dream)
SILD (Sexual Induced Lucid Dream)
LILD (Letter Induced Lucid Dream)
OILD (Orgone Induced Lucid Dream)

I've never seen anyone mention this stuff, but what the hell...

http://www.faqs.org/faqs/dreams-faq/lucid-...d-dreaming-faq/