Note: Adding a custom logo is only available to Headliner Pro users.
Step 1: Click the "Media" tab in the upper left editing box
Step 2: Click "Add Watermark"
Step 3: Drag and drop your file or click CHOOSE FILE to upload your logo
Make sure that every area of your logo file is transparent other than your actual logo, otherwise it will block the images and waveform in your Headliner video.
You can use the free online editor LunaPic to take an image file and make the background transparent
Step 4: Adjust your image by dragging a corner or moving the entire logo
Step 5: Click "Add Watermark" to save your changes
Step 6: If you would like to edit your watermark, go back to the media tab and click "Edit Watermark"