real water

how to make real water???!! i do it with a particle emmiter but it looks horribel even with good art it doesnt look real how to make 3d stuff like a fluid fast??

Dorbie has written a good article in the book more OpenGL Game Programming. If you have this book , take a look at chapter 8 of this book.
Regards
-Ehsan-

There is also demo code that goes with the book, anyone can download the code here:

http://glbook.gamedev.net/moglgp/code.asp

Have fun!