I have been through the Practical Common Lisp book online and have selected SBCL to use under SLIME on my Fedora Core 6-64 installation.  I have found hints here and there concerning the installation of cl-opengl and I actually guessed the magic incantation once but due to a flash of stupidity I blew away the .sbcl directory.  Are there are step-by-step instructions somewhere on the web that would be helpful in getting it to work again?  Thanks.