You can store your downloads in your account when you signup!
The new iPhone 6 is a great place for any app. Her a man holds it up as he takes a look at it. With this great mockup you get to pick the background. The man could be walking down the street or maybe he is at his favorite restaurant. You decide! You can make this iPhone 6 mockup fit your app.
Drag & drop not supported, but you can still upload via this input field: