New "HEAT" shimmer effect for jet engine exhaust

Greetings,This is the new "HEAT" shimmer effect for jet exhaust..The screen shots don't capture it very well, as it is very dynamic,spreading out and rushing to the rear...http://forums.avsim.net/user_files/42940.jpghttp://forums.avsim.net/user_files/42941.jpghttp://forums.avsim.net/user_files/42942.jpgDesigned on a low end P3 733mhz Dell w/Nvidia ddr 64 mb card: so Iwould like to know how it looks on better systems, as the effect hashundreds of sprites and eats a few frame rates...If anyone would want to please beta test it, file will be availabletomorrow as an email [email protected]: Earthlink "spam-blocker" will intercept all emails from addresses that are not yet in my address book; just put "Heat Shimmer effects" in the subject line so I can spot it. No need to respond to "spam-blocker", as I check it daily :)