scenery question

i know this has been asked alot but it is still unclear for me. when i am flying around and i hit my views from whatever side of the plane i get a quick view of an area of the scenery taken out in a chunk and then it appears. i am assuming that this is because of my settings and my computer... 933 mhz 256 ram nividia geoforce 2 mx. im not near my home computer where i can access the game to see what the settings are right now but i was messing with it and i am still trying to get rid of all the flickering (kinda like a choppy movement at times). any help to make this run more smoothly with godd scenery would be appreciated. i'm trying not to upgrade my computer at this time. thanks in advance.
p.s. my mommy says i'm special... lol
p.s. my mommy says i'm special... lol
