I need some help in creating a training ground kind of stadium. I haven't made a stadium before,though I know a bit about 3D modeling. I would appreciate any kind of help. If anybody can make/help.. here is some info..

http://img148.imageshack.us/img148/3451/61581710.jpg (http://img148.imageshack.us/i/61581710.jpg/)

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http://img703.imageshack.us/img703/1307/88713419.jpg (http://img703.imageshack.us/i/88713419.jpg/)

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I live in India, and we don't have good facilities here. The pitch are all muddy with some grass. I just need a stadium with some trees around and muddy pitch with some erased lines.. So I get a nice feeling while playing FIFA.. Pls help

pls help.. i would appreciate any kind of help..
just tell me how to do it