yes you can add as much as you need of vickie  the most that i have added is 13 all the same and all different just keep your other props down or make 2 set ups  one as the seen and render as a png then add your vickies as a png in photo shop> make your seen , save it , add 1 vickie save it as #2, add vickie #3 save it, etc... that way you build up untill you get what you need and have a point you can go back to just incase you need it