1. only the logo and compass is flash, the speedo is just a label. For the speedo to work you have to first use a gps com port splitter so RR can connect to your gps device at the same time as your navigation app. Do a search on this site for an app called xport.
For the flash issues, im not sure why you would see absolutely nothing, i know the files are there and others have them working or working but with flash issues till they upgrade flash. But to see nothing is kind of odd. Even if your flash was broken you would see something.
Which menu option are you using?
Have you tried to replace the logo with one of your car? If so did you make sure the file name was correct? The logos should be named clock.swf anything else will not show up.
2. Those files are winamp visuals, they go into
3. already on the todo list