So you will have an issue with your htaccess because lightspeed uses its own version of the mod_rewrite concept.
All you need to do is add this to your htaccess in order to tap into the lightspeed version which is already active on the free hosting.
open up the htaccess file
AFTER RewriteEngine On
Add this:
RewriteBase /
it should look like this when you are done
RewriteEngine On
RewriteBase /
and then the rest of the htaccess from oxwall goes here.