Here is a picture of the smoke and the cloud formations it formed. http://www.flickr.com/photos/andrewkneebone/3261316889/ and here http://www.flickr.com/photos/andrewkneebone/3261313629/

I love Team Fortress 2. They have specials where it's $10.. normally it's around the $22 mark. But honestly you will play this for hours and hours and hours....