How to set a campaign wallpaper in Pickcel Comms?

Needs

Turn on Wallpaper

In the campaign’s Channels step, turn on Wallpaper.

Pick an image

Select an image from Media Library (search by name).

Choose a display mode

Mode	Result
Fit	Whole image visible; bars if the aspect ratio differs
Fill (default)	Fills the screen; edges cropped if needed
Stretch	Fills the screen; image distorted if needed
Center	Original size, centered

Set an end date (optional)

In the Delivery step, turn on Wallpaper End Date. At that time, PCs go back to the default wallpaper in Settings → Company.