Music more than anything. I have all sorts of music for different moods and settings to get me writing a scene as best I can.

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Here's something you need to know:
Dogs need food and water or they cannot grow

"He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals." ~ Immanuel Kant

If I'm working on one of my realistic paintings, I always have smaller side projects to do to keep me from getting bored or discouraged.

I take a break >_>;; And then I complain about my lack of inspiration <_< About the time I post a journal informing people I'm not inspired anymore, my inspiration -usually- comes back 8D;;; And then I'll draw a ton of stuff and then get bored again and the cycle repeats 8D;;; I haven't found a sure fire way to keep myself motivated yet.

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"Opportunity is missed by most people because it is often dressed in overalls and looks like work" ~ Thomas Edison