Hi.As I am new to the art of tweaking I have been unable to find were to add or change the files.I know were the FSX-CFG file is, also were the Default file is in Autogen,But I cannot find the files to change or were to add the sugested files,I would appreciate very much if one of you experianced simers could explain to us learner how and were to do it.I would be very graitfull if you could.The recomended files are:-Rename default.xml to .bak in the autogen folder,I scrolled down for ages but did dot see it.add FIBER_FRAME_TIME_FRACTION=XXX To the section or fsx.cfg ???Use Terrain_MAX_AUTOGEN_TREES_PER_CELL=400 BUILDING_PER_CELL=3000.My old gray matter is at a comleat loss as what to do.Best regards,Rex

Hi Rex,The default.xml file is in the autogen folder which is in the FSX root folder. For answers to your other questions, here is a site that might help:http://www.fox-fam.com/wordpress/?page_id=41It has several links to other forum posts etc. Get back to us if you still need help. I am not one of the bright bulbs on this tree but there are some real competent simmers that troll this forum.

Hi Bill.Thank you for takeing the time to help me Bill.All the best.Rex.

Well I got there Bill and as they say every little helps.Thank you again.Rex