Want to add more than two company logo's on top of your Spark page? It's easy in a few short steps.
1) Create an image with the three (or more) logo's - you can use Powerpoint and "save as picture" or you can use Window Snipping Tool.
2) Left click on the logo area of your Spark page.
3) Choose "Upload an image".
4) Find the location where you saved your image and click on "Open" or "Insert" (depending on your O/S).
That's it. Here's a short video on how this is done.