Wire Frames for iPhone Web Application Design
This one is quite old (by modern means) but really good. Theresa Neil published a nice set of wire frames for iPhone web application design (Graffletopia stencil link) back in August - and it seems I’ve been using it for my whole life 
Take a short glance at it:
We’ve modified the stencil a bit with some ten additional items (like landscape view etc., and will share it with you soon.
Thanks, Theresa!
