0. Create a new preset
1. Add image
2. Select your image with browse button(it can be JPEG, JPG, GIF, PNG) and choose it's scale
3. Export the sample
4. Choose transparency and logo's preferable location if it's needed
5. Choose the size of final video and the name of preset
6. Save preset
7. Check that preset is active
Then in Preview screen you can choose your preset.
Also it is possible to make several presets and change them during the event.