What GB iPhone should I get?

I have a 32 GB ipod 5 and I've only used 10.1 GB and 0 GB of icloud. I'm thinking since I'll be calling and texting on it a lot more than my ipod that I should get a 32 GB instead of 16 but I want money for a really good case.

Free apps to download music on iphone?

I just got an iphone, and I miss all the apps the android market had to offer.
One being all the free apps where you could directly download music to your phone.

Does one exist in the apple market? (so far have downloaded 3 and no luck)

:(

Added (1). No remixes app!

IPhone 5 charger stopped working?

I got a new iphone 5 charger not long ago and today for some reason it stopped working. Everytime I plugged it in it said: this cable may not work reliably with this iphone. Can anyone tell me what to do or what's wrong with it?

Easier way to transfer videos on iPhone to iMac?

I have a dozen videos on my phone. I have an iMac.
I've tried sending them to myself via email but when i view them they're All BLURRED. Fine on phone though. I thought of "share" but i don't want All my activity put on both my phone and computer. Any suggestions?