Hello today i show how create dynamic water :
1 download this Megaupload.com (particles)
Put Particles folder to X:\Program Files\Steam\steamapps\"YOURACCOUNTNAME"\portal\portal
2 Enable hammer editor
3 Create Info_particle_system
4 choose Start active yes to get it active from start map
5 Click in particle system name and write water_faucet
6 You make Dynamic water.Now you can test it in Game
Excellent tutorial.
Can we have another mirror of the particles? Its not available on Megaupload's servers anymore.
Nevermind, i've just used JDownloader