xp This community seems pretty dead...
Oh well, here are some links to videos.
DuelJewel - Hanauta PV
DuelJewel - Trust PV
DuelJewel - Akura no Oka (Dir en grey cover) live
Anyway, you can always look up "Duel Jewel" on Youtube.com and find many other DuelJewel videos.
The Official DuelJewel Guild