Raise the library limit for R2.
Try building a forest in one of the forest land scenarios that is even near as dense as some parts of the in-game forest...and then try to add animals and/or homin, not to mention whatever you were thinking of actually doing in the scenario. Then...try to add another Act or two. I was really excited when they released R2 and I have spent a lot of time building scenarios, but I have built very few which lived up to what I was attempting to build for this very reason.
Or, maybe implement a scoring system, let us work to be more "trusted users" and get bonuses to our limits.
Try building a forest in one of the forest land scenarios that is even near as dense as some parts of the in-game forest...and then try to add animals and/or homin, not to mention whatever you were thinking of actually doing in the scenario. Then...try to add another Act or two. I was really excited when they released R2 and I have spent a lot of time building scenarios, but I have built very few which lived up to what I was attempting to build for this very reason.
Or, maybe implement a scoring system, let us work to be more "trusted users" and get bonuses to our limits.