Q&A latest version installed

I downloaded and installed the latest version...Stll it gave me error on the original theme we had discussed before, so I have decided to install the Q&A on a subdirectory with a different theme...Its working fine on a different theme...Thanks for all your help and also wish to thank everyone at WPM for their support..One question...How do I install other q&A templates?..do you have any suggestions..

thanks