Visiting Bucks open Studios is an informative and inspiring experience. The author visited a few which are particularly interesting. So in no particular order here are some.
Linda Cavill ceramics, printing, painting
http://www.lindacavill.co.uk/portfolio.html
Barbara Robjant acrylics, oils
http://www.barbararobjant.co.uk
Thomas Perceval laser pictures of trees on wood (He is not local but interesting!)
http://www.thomasperceval.co.uk
Liz Rogers watercolours