Please be aware that taking pictures of the eclipse with your smart phone could possibly damage the image sensor.  WSB-TV explains in a video how this happens and shows how you can use a pair of safety glasses as a filter, making sure you are not looking directly at the sun yourself.

Here is an interesting way to safely film the eclipse with your smartphone:

This is also an interesting video on how photographing an eclipse can damage a regular camera.

Photography tips if you have a solar filter:

B&H Photo and Video
Meade Instruments
NASA
Nikon