How to create particle streams between objects in Cinema 4D. This is a free videotutorial from our training "Cinema 4D XPresso Thinking Particles". In this series of tutorials, which offers you more than 5 hours of videos, we will go through the creation of advanced particles effects in Cinema 4D.
Also there are several videos, that will explain how you can solve some issues using XPresso: creating Vertex maps, working with splines using Python nodes, working with Mograph-effectors etc.
Source: Mike Udin Youtube channel