You don't need bluetile for GridSelect, it just isn't included in the released version of xmonad(i.e. it didn't exist at that time). My suggestion is to remove bluetile(it might be possible to have both installed, since bluetile seems to be hidden though) and install the darcs version of xmonad and xmonad-contrib, which contains GridSelect. You can then use it just like any other module. See the "From darcs" section here: http://xmonad.org/download.html
Thank you for the advice. Installation of the darcs version of Xmonad went fine, but I ran into a snag when I tried to install the darcs version of XMonadContrib: darcs get http://code.haskell.org/XMonadContrib cd XMonadContrib/ runhaskell Setup.lhs configure ...after that last command, I got this message: Configuring xmonad-contrib-0.8.1... Setup.lhs: At least the following dependencies are missing: utf8-string -any So I did "cabal install utf8-string", which ran without errors. Then I retried "runhaskell Setup.lhs configure" and got the same error. Any suggestions? Thank you in advance, Amy