Picture number 1 and 6 are already in the game, the first is in the TNG Season 1 costume pack, and the other is in the DS9 Bundle pack. The one I'm holding out for is number 4, it's one of my favourite uniforms in the whole of Star Trek!
Vice Admiral Laurence Corrin - USS Trafalgar
Captain Takaram ch'Rihan - USS Khellian
Captain Korax joH'a' vo'poH - USS Hartnell
General Hothkar, Son of Ta'lon - IKS oDwI'