I’ve passed the question about slider import to our technicians, they will check it.
Here is an archive of the slider – https://dropmefiles.com/mN4pC you can import it via Dashboard > Slider revolution > Manual import.
About these products – http://prntscr.com/se6xhy , go to Edit page > and set the desired product http://prntscr.com/se6xy0
To set bg image here http://prntscr.com/se6ybg > http://prntscr.com/se6yis
Regards