Larry Ferlazzo is an ELL teacher in Sacramento. Somehow he also manages to have one of the most comprehensive blogs/websites for collecting resources. There is an over-abundance of information on just about every topic. Scroll down to see many of the numerous categories.
Homepage of Steve Hargadon. His blog will include weekly updates, topics, and times of free webinars using Elluminate. These are some of the easiest webinars to follow, and he is an excellent moderator. You can even host some of your own webinars for free.
This was a great webinar about using Skype in the classroom. Classroom 2.0 Live is now creating a Livebinder for each presentation. (They are at noon on Saturdays.)