If you thought our Top 10 iPhone Photography Apps of April 2011 looked interesting (see here), then wait until you read this incredible list of the most successful and popular iPad Photography Apps of April 2011, you’ll be amazed. Also don’t forget to take a look at our previous top 10’s from earlier months too, links are below: Top 10 iPad Photography Apps of January 2011 Top 10 iPad Photography Apps of February 2011 Top 10 iPad Photography Apps of March 2011 Bokeh: A Book About Cameras Bokeh is a new kind of book about cameras designed for the iPad that contains lessons on FOCUS, DEPTH OF FIELD, EXPOSURE, and…