You can store your downloads in your account when you signup!
Getting cozy with her iPad, a woman relaxes on her bed in a bright room. In the background her bright green curtains can be seen. She is holding up her iPad in both hands in landscape view. The iPad mockup will hold an image of 1024x768px. This is the perfect place for a great casual app.
Drag & drop not supported, but you can still upload via this input field: