If you like to work from sketches or if you are just fresh out of layout ideas this site is so cool:
http://www.pencillines.com/2008/03/index.html
It's an outstanding resource for ideas. I really love seeing how each person takes the same sketch and comes up with such different results. If you are familiar with the 2 Becky Higgins Sketches books this is the same idea only online and constantly updated!
Here's an example. The basic sketch is this:
Here is one example of a layout done using that sketch as a starting point:
And here is another..........
