Flixel has both an app and software specifically made for
creating cinemagraphs, so if you're looking for the easiest way to do it then this might be the best option.
Flixel is one of the more popular apps for
creating cinemagraphs and there are lots of examples on their twitter feed:
You can also
create cinemagraphs from existing images or video, turning assets that are already available into a new feature for your course.
You can use Photoshop to
create cinemagraphs, but there is also software and apps out there that are specifically made for creating cinemagraphs.
There are several apps which will let
you create cinemagraphs; we'd recommend searching the Apple app store or Google Play store and finding your favorite.
Not exact matches
This
cinemagraph was
created with free software from a video file, it's been converted to the gif format so it can be displayed in any browser.