That E0 should say E9 (typo)
Yes - Greensmoke is KR808D-2 aka E9
I believe LeCig.com has 3 adapters (left is the battery, right the cartrdieg type)
D1 to D2 (Use KR808D-1 battery with KR808D-2 cartos)
D2 to D1 (Use KR808D-2 battery with KR808D-1 cartos)
510 to D2 (use 510/Ego/etc battery with KR808D-2 cartos)
Those are the only adapters for Greensmoke
Boge cartos - I only like the 510
threaded ones. The KR808D-1 ones I tries were 3ohm and too cool. I still have to try the 2.7ohm KR808D-1 Boges from Liberty-Flights.com.
For KR808D-1 I prefer the Bloogplanet cartomizers (same as SmokelessImage cartos but Bloog has colors). I also like the hotter Vapor4Life WOW cartos (I definitely use a plastic or delrin drip tip as a cool mouthpiece on those)