Whether to illustrate your blog, presentations or simply any use whatsoever ye do find it interesting that you can download different templates in. PSD of iPhone , iPad and iOS elements in different versions.
As before boys Teehanlex with every new product launch of Apple a template PSD with the device and operating system elements present. So we can create recreations our needs.
On the website you can also find some more with staff, for example, the Android interface. Some helpful resources if only to put your screenshots in them.
More Info : Teehanlax