Well. for the beginner, I suppose, it would be difficult. However, all depends on complexity of your tour. If you want to have just paintings which pop up from the walls with no descriptions, then it'll be easier. Because you'll just copy-paste the "flyout" code and adjust dimensional position of each painting within a pano.
Check out this standard example from Krpano:
http://www.krpano.com/examples/116/examp…e-hotspots.html
However, if you want text descriptions added to paintings, or adjust the "flyout" animation to your specific needs, then you'll have to learn documentation - about distorted hotspots, textfield plugin, tweening etc.