This teacher's blog post explains the importance of keeping up with your professional portfolio. She includes pictures and tips on what to include and how to organize your portfolio to really show-off your strengths as a (future) teacher.
There's a lot I like here...especially that there's a color theme and "homey" items like plants, curtains, and lamps. I also like the computer and library nooks- organized and out of the way, but still visible.
Teacher Interview Answers! Are You Ready for Your Big Opportunity?
This site not only contains literacy ideas, but math, science, keyboarding... Give it a try. Grades PreK-2 recommended, but elementary grade students who struggle with the basics or ELL students will enjoy the activities as well.