A word wall is a great way to display words that the children use often so they know how to spell them without having to ask another student or the teacher all the time. As the year progresses you could take words down that they have learned and put up different ones for them to learn.
Computer Lab bulletin board for Summer 2013. Got the hand idea from clipart, then made many changes to make it my own. The scattered icons are grayscale, only colorful ones are when the hands touch them.