Read the first three and while I see nothing wrong with them in terms of gaming rules, they don't feel like Gothic Horror to me.
It came from the Sump is the best one if I had to choose.
Da Chase really needs a much larger table than I have and some updated Requiem rules.
Scavengers feel a bit to much like Lost Artefact to me.
Please don't get me wrong, I really appreciate the effort. I'm looking at some of the scenarios from IHMN, and I think 2-3 of them could be used for EotD.