Toad rage allows you to place a toad. That's it. That is literally all it does. When fighting in close combat against a unit with a blot toad marker, the ripperdactyl's frenzy grants it D3+1 ekstra attacks, instead of just 1, and the ripperdactyls reroll all failed to hit rolls. toad rage simply allows you place a toad, which empowers the frenzy of ANY ripperdactyl attacking that unit. It even specifies that it is the blot toad that empowers the frenzy. Never heard anyone even attemt to rule it otherwise. Though you still have a problem with characters not being able to go into units of rippers, and with rippers (and skinks) being terribly fragile, they'll get shot down, or killed before attacking. I've ran a unit of rippers + chief, but... meh, with frenzy, it is just too difficult to hit the right unit, and I often end up doing the worst possible charges, losing a lot of points to nothing. Stupid Ld6...
There's no separate rule section of the Army book that mentions Toad Rage Frenzy, i've heard the argument that it's aa separate sentence before, that still doesn't make it another rule. it's written as part of the toad rage rule, and is thus per how i read the rule, very much a follower of that rule. It's written in the very same way that drop rocks is clarified for the Terradon - it isn't written as a separate rule, thus it is (per my understanding) part of the rules for toad rage - and the fact that you've never heard it argued otherwise, is hardly an argument for anything. in fact, i'm even quite certain several others on the forum got confused about GW's way of writing it into the book, because it isn't quite clear how it's supposed to work. just my 2 cents anywhoes, if you play it, and all understand it in the other way, i won't argue it further ^^