The Dragon's Helm. It's just the Backburner's head, stretched and moved to the Pyro's Head.

The idea came to another player, zoli700 (http://forums.steampowered.com/forums/showthread.php?t=1144036), but I felt free to modify it. Now it looks better, in his honest opinion.

It shares the materials with the backburner, therefore, any skin applied to that weapon will be used in this "hat" too.

Install it in the classic way. (copy to steam\steamapps\<account name>\team fortress 2\tf)