Flashlight effect

How to make flashlight effect? I don’t want spotlight cookie, i am talking about emitin light form flashlight, something like this:

alt text

I’ve made a cone in Blender, but it looks ugly, i’ve made gradient texture (from white to transparent) but it doesn’t look like it should, i would like it to slowly fade into transparent. Of course texture and material are set to be transparent.
Any ideas how to achieve that? Here is how it looks in my game…

alt text

did you try using an additive particle shader on your cone?
You should read THIS post. Lots of helpful links. I am not at my computer to help you figure this out right now, but you may find an aswer in that post! I wish you luck!! let us know how you figure it out when you do!

@miszelfox Check out Volumetric Lighting. I think that is what you are looking for.