Which images are allowed to use in an app ?
I am making an app for iphone and I am the desingning stage.So I begin to design the logo and some backround pictures but I am stuck rightnow.Are there any rules for using pictures in an app?I mean which type of pictures I can use ? Am I allowed to create desings from photos I found internet(the ones without copyright).Do I have to draw all the pictures I use ?.Is ther eany faq or information page on the internet about this subject ?
Thanks.