If anyone is interested, I have made a few modifications to my Klingon mode for Tengwar. I've added characters for the consonant clusters w', y', and rgh, changed the character for y, fixed a vowel diacritic, and added a mark for doubled consonants.
You can see it here: http://trimboli.name/KlingonTengwar.html
-- SuStel http://trimboli.name