Nginx rewrite rules for XtraUpload:
if (!-e $request_filename) {
# New Rewrite Rules for total site SEO
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/index\.htm$ /$1.php?$2=$3&$4=$5&$6=$7&$8=$9&$10=$11 last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/index\.htm$ /$1.php?$2=$3&$4=$5&$6=$7&$8=$9 last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/index\.htm$ /$1.php?$2=$3&$4=$5$6=$7& last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/index\.htm$ /$1.php?$2=$3&$4=$5 last;
rewrite ^/(.*)/(.*)_(.*)/index\.htm$ /$1.php?$2=$3 last;
# More New Rewrite Rules for total site SEO, with index.htm pagess at the end
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/$ /$1.php?$2=$3&$4=$5&$6=$7&$8=$9&$10=$11 last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/$ /$1.php?$2=$3&$4=$5&$6=$7&$8=$9 last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/(.*)_(.*)/$ /$1.php?$2=$3&$4=$5$6=$7& last;
rewrite ^/(.*)/(.*)_(.*)/(.*)_(.*)/$ /$1.php?$2=$3&$4=$5 [...]