First off, I hope this is an appropriate use of the meta site.
I'm looking for guidance prior to asking, as I understand this can be a subjective question... The body of my question follows the line. Any tips on shaping it up prior to asking (or nixing it altogether) would be great.
How do you ask strangers for a model release?
I've searched google a bit, and there are some answers out there, but figured I'd ask here and perhaps we can really centralize some good techniques.
And the periphery:
Any good "opening lines"?
Does an electronic release vs. a paper release seem to make it easier?
What kinds of turn downs do you get, and what are good ways of handling those?
Do you offer print(s) in exchange for releases? What other terms do you use?