1. Open the app.
2. Click on the settings button (1) and then click on My uploads (2).
3. Click on Upload (3) to upload any video, image, audio file. After processing you will find your uploaded media in "My Uploads" (4).
If you have more than one desk (Only for team accounts) you can select which desk the asset will be uploaded to.
Once the upload is finished, your media will be available for your use both in the app and on the web.
Make sure that you are not using copyrighted assets!