As managers we benefit when we surround ourselves with brilliant, creative people. That's not to say that management isn't creative, but frequently those who rise to management level do so because they are good at implementation and strategy. If you're looking to be more creative, or foster creativity within your group, there are plenty of brilliant blogs out there to help (like this one, this one or this one.)
Prior to following any of their advice (with the exception of implementing chocolate chip cookies at 3 pm every day. Feel free to implement that one - okay, that was my advice), review your
Take a look at your team. Are they so busy putting out fires or keeping their head above water that breathing is difficult? Tapping into your team's creative side means allowing them the time to think; the time to brainstorm; the time to absorb and process things they're reading and talks they're watching. If the energy around the office is one of constant do, do, do there is no time to imagine.
Creativity's best friend is thought. If you want more creative employees, you must first ensure that they have time for it.