these should be helpful:

litestep installer and instructions:
http://www.beyondconvention.net/ohussain/installer.htm
http://www.ez2install.tk/

ots theme installation instructions:
http://beyondconvention.net/ohussain/ots/install.htm
http://beyondconvention.net/ohussain/ots/install_generic.txt

more resources:
http://lsdocs.shellfront.org and http://www.flatface.net/~namaide/lsdocs
http://lsfaq.shellfront.org
http://www.litestep.com