This article talks about the website Bitstrips for Schools and how you can use technology in the classroom by creating comic strips, and how teachers have been using them to combat bullying.
This article gives 10 excellent reasons why students should be blogging in the classroom, including as a motivation for all students, especially those that dislike "traditional" writing.
This looks like a good site for you K-12 teachers. We are sure to encounter ELLs in ANY classroom and working the content standards into feasibility is/will no doubt be a challenge