Here's a handy workflow technique that I used the other day whilst trying tidy up one of my RnD scenes. I'm sure most of you like me, work quick and dirty when developing XP scenes. Quite often I'm not thinking about using Groups yet and instead including or excluding modifiers on various emitters within my scene. It can get messy and confusing very quickly especially if some modifiers are in the emitters and some are left out and affecting the entire scene rather than isolated. Here's a simple way to work through your emitters and gather your modifiers in to specific Groups, thus making your life and scene much tidier.