If you’re looking to implement “Pull to Refresh” style functionality in your iPhone project you could do worse than to take a look at
http://blog.leahculver.com/2010/12/iphone-pull-to-refresh.html
I’ve already made use of some of the code there and pointed one other on iphonedevsdk.com.
Good stuff Leah.
Mad-Dog-Software 
Hey just bought your bokehs app.
Why do you create stars/halo effects etc. all over the place – can you produce a version that has plain blur with no light effects. ?
I like the finger painting idea though.
Cheers
Hi there thx for the feedback, I sure can! I’ll shoot off an update shortly and shoot ya an email when I do.
Andrew.