Here are a few more that have Hank against them but not a huge part.
I think you might get a bigger list if you asked for stories where Joyce kept the lovers apart.
BRIDGING THE GAP ---- PANTA REIhttp://spikeluver.com/SpuffyRealm/viewstory.php?sid=13862&warning=NC-17Summary: Buffy Summers and Spike Kingston are pretty unusual best friends: she's 16 and a social nobody, he's 26 and a regular at the diner her father owns. What happens when their feelings for each other change into something that could easily spin out of control?
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Hank isn't a big part of this story but there is a funny scene between Spike and Hank near the end of this WIP. I wish she'd come back and finish this one.
Some Cold Lovin, Las Vegas Style--- by Bloodshedbabyhttp://spikeluver.com/SpuffyRealm/viewstory.php?sid=2663&warning=NC-17Summary: A baby fic? You betcha. Total AU, a vampire Spike, a pre-Slayer Buffy, a night in Vegas....Oh the possiblities!