Yes, there is C.A.P.E.R. Fan Fiction out there! And you can get your fill by visiting one of these two places:
The Kids from C.A.P.E.R. Fan Fiction Club at Yahoo.com!
The Kids from C.A.P.E.R. FanFiction Archive at FanFiction.net!
Contact us via C.A.P.E.R. E-mail (the next best thing to C.A.P.E.R. Band!)