Keep it civil, do not flame or bait other users. If you notice anything illegal or inappropriate being discussed, contact an administrator or moderator.
You can't delete your own posts here. You can flag them and give a reason for staff to delete it. If they agree they will delete it.
If you posted a bad version. Upload the better version of the video and flag the previous post, on the reason mention the id of the newer post and that the newer is the superior version. If they agree the post will be deleted.