[emile]

I'll give my own site a quick plug: www.roadtogrammar.com

I like to use it with a projector and laptop; it projects well and is colourful and userfriendly.

I also use yahoo answers (www.answers.yahoo.com) a lot as it is a very natural way for students to interact. Not suitable for kids, though.

I would say though that there is quite a big difference in quality between a lot of the free material out there and the commercialised material.