I will join it at home.
Can't log onto yahoo here at work. But can receive it's emails.
I think the Legality question is best answered by others.
I say if it's in the SRD your fine, as long as you include the D20 Liscense page.
Now past that I don't know.
I prefer using the Evard's Black Tentacles vice Black Tentacles. Mainly because that is left over from playing so many years and calling it just Evard's.
I think in limited distrubition to like your group only, wouldn't be a problem, posting it to EnWorld's Downloads section might get you the cease and desist order.
As we all know only Code Monkey is the offical authorized distributor.
Now if you did only the SRD and then made the 'data' page editable and the ability to add others, I would say your golden.
Now the greedy player in me says give it all to me.
Nothing ever stops you from creating it or using it yourself.
It's when you give it to the first person that can be the problem.
Now since it's free, I think the worst they can do is sue your @ss off. Most likely thing though is to just do the C&D, which is what they would do prior to the SYAO.
That being said.
I still want a full copy if you do it.