Once you've been assigned to a brief, an "Upload" button will appear in the top right corner of your screen.
To upload content:
1. Click "Upload" either in the top right corner of your screen or on the "Content" tab.
2. Upload your photos or videos for the brief.
3. When you have uploaded all your content and it's ready to be reviewed, click "Submit for Review" on your content tab.
To delete photos from the brief, hover over the image and click the trash bin icon.