I've noticed that there are definately eggs but they aren't scattered about. They don't quite look like thepictures you've posted and there is 3 spots where I see them. They're are about 10 eggs in each group and they are encased in some sort of bluish sac like stuff. I know that cpd eggs aren't that sticky and there is on spot where the sac is stuck to the glass. The wired thing is though is i don't know what else they could be from since I have nothing else in the tank except for the cpd and a bn pleco. No snails or anything. Kind of strange really.