Well, here are some updates and recommendations. But first of all: Except the more relevant bugs already stated above, these are just minor ones, eyecandy if you like.

Glitches in the wall, see
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The latter is covered by rock...
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You can stand inside the wheel... Maybe you can be blocked and forced to walk around it?
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Just an idea: There is a hole at the end of the "balcony". If you had the chance to get up where I set a mark, it might be possible to use this hole against someone hiding in there by throwing dynamite...
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Another recommendation: The way around the whole place can hardly be used with people in the game knowing how to aim...

For sure you'll never reach the other side alive. Maybe you could add some cover? Just an idea, not really necessary though.
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The tarpaulin does not show marks of hits. Maybe that's not possible but it might look nice.
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The grass grows through the piece of wood...
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Two things: First, the lorry seems to float in the air, second the grass seems to repeat itself... Have a better view with the
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This one seems to be standing inside the tracks. However - I think it has been mentioned before.
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I'm standing inside this cactus. Ouch!
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Last one: The arms of the cactus seems to be not accuratly be attached to the root.
larger versionThat's it for now, again and again: Thanks for the good work!
ClintStone