Not sure if this is fanmade (they are as good or better than the "official" posters IMO) but Dreadcentral says it's the new teaser.
Dreadcentral.com

Some character speculations on the first TB site I ever read or joined true-blood.net, GO read!

Updated Episode list

S4 E1
"She's Not There"
IMDB
S4 E2
"You Smell Like Dinner"
IMDB
S4 E3
"If You Love Me, Why Am I Dyin'?"
Bookies Love True Blood
S4 E5
"I Hate You, I Love You"
S4 E6
"I Wish I Was The Moon"
IMDB
S4 E7
"Cold Grey Light of Dawn"
Bookies Love True Blood
S4 E8
"Spellbound"
IMDB
S4 E9
"Run"
IMDB.COM