Apparently I (a) had a bad link in the GDS thread, and (b) failed to unlock the critiques thread when I tried to...
Both of those errors have been fixed now.
Also, becuase of Gen Con and other basic business, I was late to post this month's and last month's GDS challenges. I fear this may have contributed to low participation, and I apologize for that. You can expect the September GDS to go up on the 1st or 2nd (Thursday or Friday) as per the new schedule!