They've done dual colour schemes with L10-11's with both ATA in the late '80's (N191AT) and again with British Caladonian in '96 (G-BBAF). For a twelve week lease it would be financially prudent for a dual scheme ie green tail and Aer Lingus on the fuselage but allow the remainder of the fuselage to remain silver. Besides by all accounts in news papers it's not the outside that's going to the issue. More like what/who is on the inside.