One great way to get inspired is to not get inspired by the same type of work you doing, for example if you designing a website, don’t look for web design inspiration but try to get inspired by something totally different. Here is a great selection that you can boost your imagination by looking at abstract shapes with beautiful colors.
GenCept is a website about design. There are all sorts of articles for those who want to look for inspiration. GenCept is an effort designed to influence, affect and involve creative communities in the development of a world standard for inspiration.