[mythtvnz] Radio Channels - replace the blank screen?

[Nick Rout]

On a sky box you get a graphic on the radio channels. On myth you get
a black screen.

Is there anyway to replace the blank screen with a logo or something?
Just more WAF I guess.

I can think of one way - get vlc to tune the channel, mux in a static
image and get vlc to send it out as a stream, but thats too much
futzing.

I listen to a lot of national radio, but we only have one physical
radio in the house, and two mythfrontends.