Hey here is a suggestion instead of copying the rr engine textures from the texture.nz folder copy it from the airholland folder it looks better on the american airlines plane.
http://www.wspilots.com/modules/mx_smartor/album.php?smartor_mode=album_showpage&pic_id=6338
from fs9
http://www.airliners.net/open.file?id=1147528&WxsIERv=Obrvat%20757-223&Wm=0&WdsYXMg=Nzrevpna%20Nveyvarf&QtODMg=Znapurfgre%20-%20Vagreangvbany%20%28Evatjnl%29%20%28ZNA%20%2F%20RTPP%29&ERDLTkt=HX%20-%20Ratynaq&ktODMp=Nhthfg%2013%2C%202006&BP=0&WNEb25u=Fgrjneg%20Naqerj&xsIERvdWdsY=A191NA&MgTUQtODMgKE=Gur%20Obfgba%20syvtug%20qrcnegf%20vagb%20na%20birepnfg%20fxl%20va%20gur%20zvqqyr%20bs%20fhzzre&YXMgTUQtODMgKERD=410&NEb25uZWxs=2006-12-01%2022%3A36%3A32&ODJ9dvCE=5SN&O89Dcjdg=32385%2F977&static=yes&width=1024&height=695&sok=JURER%20%20%28nvepensg_trarevp%20%3D%20%27Obrvat%20757-200%20%28P-32%29%27%29%20NAQ%20%28nveyvar%20YVXR%20%27Nzrevpna%20Nveyvarf%25%27%20BE%20nveyvar%20YVXR%20%27Oenavss%20%28Nzrevpna%20Nveyvarf%29%25%27%20BE%20nveyvar%20YVXR%20%27Oenavss%20Vagreangvbany%20Nvejnlf%20%28Nzrevpna%20Nveyvarf%29%25%27%29%20%20beqre%20ol%20cubgb_vq%20QRFP&photo_nr=14&prev_id=1147597&next_id=1147212
from real life.

by the way the fs9 picture is mine from another site.