Now we get to the `let the particles look like fire' part.
 
goto the   Button for the Material settings.

Goto the   Button.
Click on it and then you will see.
|ADD NEW|  (Versions under 1.40 also give |Material| in the menu,
You could select the allready existing Material.. because its a plain setup. )

First we Click on HALO Button.
and under the HALO Button there will be a button Called HALO TEX.
Activate it by clicking on it..

On the left upper side of the HALO Button You'll see 3 sliders called
R,G and B

TIP: by clicking both left and right (or middle) mouse button on the button you can
enter the number manually!.

Enter or slide the buttons to these values.
R: 0.600-\
                   >-- This creates a nice dark orange colour.
G: 0.255-/

B: 0.000

As you can see in the square view, its a nice orange ball