You can try one of our snowglobe apps. Most people found them very relaxing and I by myself use them sometimes to relax too. Currently we have 2 free versions (well to be honest, both have a little ad inside to earn some cents per day) so you can try them out without spending 1 buck on something you might don't like:
iHanami free
Autumn free
there are also 2 demo videos of our snowglobe engine available on youtube:
Autumn and
Winter
Some people complain about the performance which directly depends on your device (3GS vs. 1st gen) and the number of flakes you have set. So if you have a slower device, maybe use less flakes to get it run fluently.
Of course you can also buy our ad-free versions if you like, but I just want to make clear that I didn't intend to post an annoying ad of our apps. I really think it might help you to become more relaxed!
good luck!

herbs