Sally at Lens and Pens runs a great challenge if you enjoy taking photos with your phone and want to develop your skills and each week she provides a different theme and a photographic tip.
This week is the week for black and white photos.
More entries:
http://debooworks.wordpress.com/2014/08/18/cease-fire/
http://piecesofstarlight.wordpress.com/2014/08/18/phoneography-black-and-white-views-of-point-rayes/
Something to Ponder About