it's still available here but I think this might be the same one you already have...
also: did you turn off the 2D Postprocessing in the options? you said that there were more lags when looking at a tree on fire so I'd guess this has something to do with the 2D Postprocessing...
Edit: if you downloaded the game before October 31 last year or if you downloaded it from anywhere else than this site you might try to redownload it from here again, extract it to a seperate path, replace the old exe with the new one and then start it, without the fix.
this might help because DC recompiled the source code with a newer version of blitz3d which supports dx7 better.
here is the link: http://www.unrealsoftware.de/get.php?get=stranded2_en.zip edited 1×, last 12.01.11 07:04:59 pm