yep,downloading aircraft,i need help!

i download the plane to my comp.its in a zipped folder,i then extract the file. then i double click my comp. program files,microsoft games,fs9,i then drag the corresponding files together from my comp. to my fs9 files. ok this isnt working for me,because there are leftover folders,like model or panel,and jpg.,well im lost,i just want to try flying some different planes,so if anyone could help,id appreciate it,by the way,this is a killer sight.thanks