I think If you think budget photography, then why anyone will go to any expert, Do it yourself and ruin the movement, or get trained study from the photo galleries and try yourself , http://www.portraitsphotography.themi2s.com/portrait-photography-gallery/ get some books from library or read over the net, http://www.portraitsphotography.themi2s.com/portrait-photography-tips/ OR just Get the expert which is the most reasonable way,