The easiest way to upload images is directly from your library. Simply select one of more images from your computer and drag them directly onto the library screen.
Alternatively, selecting either 'Upload' in the sidebar or clicking the upload prompt in empty libraries, will open the file select modal.
Uploaded files must be
under 5Mb and either
.gif files. You will also be prevented from adding more than 30 files at once.
Drag-and-drop uploads are only supported in newer browsers such as Google Chrome or Safari. However, if you use an older browser you'll simply be directed to the regular uploader: