There are large and small templates for Explosions and for Flamers. Not sure if you are talking about these, or whether you are asking if there is a size difference from 2nd ed. to 3rd ed.
If sing, sang, and sung, sink, sank, and sunk, and drink, drank, and drunk, how is it that it isn't bring, brang, and brung, think, thank and thunk, and ding, dang, and dung?
Don't even get me started about bad, badder and baddest. Run, ran AND run...again? C'mon!