Just put them in your weapons folder, adn it let it overswite your old stuff.
This needler was based on teh one shown at E3 2004 Zanzibar.
Enjoy
M4573R51337/Masters1337/Masters

http://www.haloimpulse.com/cmt/Open_sou ... eedler.rar
Edit: These tags are tot0aly custom, no ripped content involved.
Edit2: L34K Link was nice enough to re-direct teh tags, so it no longer overwrites your old needer. Special tanks to him.
http://www.haloimpulse.com/cmt/Open_sou ... eedler.rar