I read a lot of "we need desert/snow/xyz" FSM tiles or just generally about people lacking certain things^^
It might not be the perfect solution for everything, but it gives people a much larger range of items to work with!
For lava items you can check the fsm blog I linked in the tutorial though, there is quite a collection of lave tiles there!
Due to a situation in which I thought plugin adaptations had stopped for the QPlugins, I "ghetto" converted these 7 over yesterday. They appear to work perfectly as long as you use old style plugin commands. I am uncertain if I will have a lot of free time in the future to work on this, but if you'd like them, here they are.