Check out TESOL's "ELL Tech Recipe" with ideas to engage ELLs through technology, including:
-blogging
-digital storytelling
-podcasting
-Wikispaces



"Know ELLs": A Ning, or education-related social networking site, to support teachers of ELLs:
http://knowells.ning.com/


Popular ESL/EFL blogger Larry Ferlazzo's "Top 10 Lists" for ELL Resources