Mark_Gedak
Mongoose
Arcane Rune Press and Ronin Arts has begun to release a series of pdf's at RPGNOW.com called Visions which are designed to, "most compelling elements of real world mythology."
So far the set has involved
The Pumpkin Patch - Jack-o-Lantern and Halloween folklore
Phantasmal Memories - Variant Ghosts and thier tales from folklore
Stitches - Frankenstein and Promethian golems
Although not written up for OGL Steampunk, they may still be a valuable source of idea/monsters/items for a superstitious campaign tone.
So far the set has involved
The Pumpkin Patch - Jack-o-Lantern and Halloween folklore
Phantasmal Memories - Variant Ghosts and thier tales from folklore
Stitches - Frankenstein and Promethian golems
Although not written up for OGL Steampunk, they may still be a valuable source of idea/monsters/items for a superstitious campaign tone.