How to set the texture of the fire

[wssy001]

Hello,I want to ask a question about the effect or texture of fire which is from afterburner

how to use afterburn in 3dsmax to set the fire texture from the afterburner。

I want to reach the level of F14`s,I tried and searched many times,but it is still there.

The first pic(below) is which effect I want.

The second pic is what I have done.

Can any one help me? thx

[razo+r]

Make a long texture with the colors and the further back you go the more transparent it should be.

[wssy001]

Make a long texture with the colors and the further back you go the more transparent it should be.

Thanks for your answer.Could you please tell me how to set the texture?

pic (below)