Ok so the first one with any web presence is the blond in the front, a body paint model named
Stacey Tappenden
http://www.pinuplifestyle.com/photo/solardress-1
http://yfrog.com/hsmg3wvj
http://www.justgiving.com/stacey-tappenden
other pics of the riders here
http://www.apimages.com/search.aspx?st=det&sh=10&sort=date&ids=naked%20rollercoaster%20record&showact=details&prds=10135&kwstyle=or&adte=1281271319&pagez=60&dah=-1&cfasstyle=and
and now the others too
Emma Moore (Short hair) and Carly Whiteley (long hair - pictured above)
http://www.justgiving.com/Emma-moore1
Carly Whiteley
is a cutie and has done a lot more modeling and might be on here
she is topless (again) below
http://exitoina.com/2010-08-27-20919-carly-whiteley-desnuda-por-una-buena-causa/carly-whiteley-photoshoot-topless-06/
http://exitoina.com/2010-08-27-20919-carly-whiteley-desnuda-por-una-buena-causa/carly-whiteley-photoshoot-topless-02/
http://exitoina.com/2010-08-27-20919-carly-whiteley-desnuda-por-una-buena-causa/carly-whiteley-photoshoot-topless-03/