foxbody leak water pump

yesterday I was changing engine oil when I noticed that there is some coolant leaking (one little hot drop on My Head :scratch:). As I replaced the water pump last month so I thought one of the hoses claps not tie enough. I start inspecting and I found some rust and little coolant drops coming...

Among many leaks I've already identified, there's one I can't figure out. I'll post pictures to help illustrate. It appears that there's an oil-like leak on the left top of the water pump housing. I can see where it's accumulated and dropped down the front. It starts just next to the seal and I...