RewriteRule ^mr-upload?$ index.php?page=mr-upload [L,QSA]
RewriteRule ^tagged/([^/]+)/page-(\d+)/?$ index.php?TagSearchResults&TagName=$1&Page=$2 [L,QSA]
RewriteRule ^tagged/([^/]+)/?$ index.php?TagSearchResults&TagName=$1&Page=1 [L,QSA]
in Php, Tips and Tricks
RewriteRule ^mr-upload?$ index.php?page=mr-upload [L,QSA]
RewriteRule ^tagged/([^/]+)/page-(\d+)/?$ index.php?TagSearchResults&TagName=$1&Page=$2 [L,QSA]
RewriteRule ^tagged/([^/]+)/?$ index.php?TagSearchResults&TagName=$1&Page=1 [L,QSA]