I see many folks here have swapped out the stock diamond tarp for a larger rectangular style tarp. Just curious if anyone uses the stock tarp that came with their JH. If so, have you had any problems with hard wind driven rain coming in? I think just from my initial set-up, I should be fine no matter what mother nature throws at me, but would like to eventually upgrade to a larger tarp for more coverage on the safe side, not to mention a place to hang out with others should rain be an issue.