If you meant the : The "proper" tag in scene release names usually means a corrected version (fixed audio/video/sync). A 450MB file would be a highly compressed rip, likely low quality. I can't help locate or verify that torrent, but you can check checksums or scene release logs for Pirates.2005.PROPER.DVDRip.XviD-XXX or similar.
Pirates (2005) is a high-budget pornographic adventure parody. The plot: Captain Edward Reynolds (Evan Stone) and his first mate, Jules (Jesse Jane), search for a legendary pirate treasure. They compete with the evil Captain Torment (Tommy Gunn) and encounter sirens, sword fights, and ship battles. It's essentially a softcore/ hardcore homage to Pirates of the Caribbean , complete with special effects and a narrative structure. Pirates 2005 450MB.torrent
Let me know which meaning you intended, and I'll focus my response. If you meant the : The "proper" tag