I flip open a dictionary, pick five random words, and give myself ten minutes to create a short story that uses all five words with a solid protagonist, antagonist, and plot line. Works every time, and I almost always take that story and make it into something bigger :)
To get rid of writers block, you should create time for your writing; you should take a break and also write different things at one time. Having a writer block can be very disturbing. Go to http://www.ehow.com/how_18024_rid-writers-block.html for more details.
Spend time, talking with interesting people. (Especially the elderly!) You can glean ideas from those around you. A bounty of memories, abide in the minds of those in rocking chairs, and nursing homes.