No, there's no extra clips that I could see. I may fabricate my own and attach it w/epoxy, as I tried a different LFS, and there doesn't seem to be any good substitute.Glass lid dimensions between Aqueon and Marineland tanks tend to be just a hair different, but like said, I would have though All-glass would be the same as Aqueon. Apparently not.
Did the lid you bought come with plastic clips for the edges? Some do, to take up the slack.