Help with Lag

[DM 119]

Okay, so im on my laptop because im currently staying in Missouri, and my laptop is kind of old and i can run it with about 10 people without lag the way it is, but if theres more than that... well shit hits the fan. I have my graphics as,
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Ground Geometric Details: 50
Ground Texture Levels: 7
Ground Texture Resolution: 32x32
Mipmaps: Yes
Compress Textures: Yes
Hardware/Direct: Not avaible
Shaders: No
Model Geometric Detail: 1
Model Texture Detail: 7
Roost: 0
Lens Flare: No
Reflections: No
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Also I do have record demos: Off, and I put all my gear, helmet, bike back to stock skins... Is there anything that will change my lag drastically, or even a little bit... with out making the game unplayable ( such as if you lower ground detail to low then you can even see stuff.) So any help will be highly highly appreciated.

Thanks,

Dakota Morgan

[jlv]

That's about as low as it can go. You can set ground texture levels to 0 to a little speed up but it'll be blurry.