Links

[WARDOG]

Sprite Viewer: http://mach3.planethalflife.gamespy.com/sprites/sprview.html

Sprite Wizard: http://www.bringyourownpaint.com/page.php?id=318&a=dl

Nems Tools: http://nemesis.thewavelength.net/

Jeds Half Life Model Viewer, and other stuff: http://www.wunderboy.org/

Wally, HL .WAD viewer and creator: http://www.telefragged.com/wally/

Various mapping tutorials and Info Sites:

http://www.gamedesign.net/

http://www.wunderboy.org/dodarchive/

http://www.chatbear.com/board.plm?b=9&v=flatold

http://www.vlatitude.com/tutorials.php

I will add more later.

[Zor]

Got most of the files I could from there, didn't get any of nems as he will always be around...

Cheers!