Spent two days at Frankfurt Intl Airport and managed to catch the Fanhansa siegerflieger 747 and the Fanhansa 737 as well as various other special colour schemes and airline alliance colourschemes.
Could be quite a large post as there was a few of them present
Fanhansa 737

Fanhansa siegerflieger 747

Condor retro B767

Lufthansa retro A321

China Airlines B777-300ER in boeing House Colours

One world Logojets
Cathay Pacific B777-300er

Royal Jordanian A319

TUI Advertising jets
CEWE B737-800

Not FRA but at EuroAirport was the TUI BLUE Hotels Logojet

Paul