DirectoryIndex index.php
Options -MultiViews 

RewriteEngine On

RewriteBase /~brendanm/

RewriteRule ^$ index.php/ [QSA,L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(\d+)$ index.php/$1 [QSA,L]
RewriteRule ^download(.*)$ download.php/$1 [QSA,L]