I don't know a lot about photography so when I saw this post for using bokehs, I didn't know a whole lot about it. Fortunately, Jason Fitzpatrick, one of the amazing writers at Lifehacker, wrote this description for all of us:
"It's that oh-so-wonderful fuzziness in the background of photographs with a shallow depth of field and accompanying starry highlights."
i.e. this:

(This image is also from their link.)
Even I though I have next to no understanding about how to actually make this, even though they sent their readers over to
DIY Photography for a walk through, I thought how cute would the little hearts be on wedding pictures??
And it wouldn't have to just be weddings. You could use little stars for a Hollywood theme event or snowflakes for a winter theme. The ideas are limitless!
Credit to Lifehacker and DIY Photography:
http://lifehacker.com/5142551/create-your-own-bokeh-for-beautiful-photo-effectshttp://www.diyphotography.net/diy_create_your_own_bokeh