Make sure that you have added the allowed types to the correct quota, if you do not check the apply to all quotas check box, then it only applies the file types to one quota.
I just checked this on my dev site and I'm not seeing any issues.
It looks like it is working now, I've activated the Genosis modules and changed the skin to the Genosis skin and I'm not seeing an issue. Note that the site will be empty until you get the first tree setup. Just follow the "Tips" by clicking the "Continue" button on the Tip Popup.