I am having problems with my PC. I have a new laptop which I am sending this message from but don’t think I have any photo editing softwear available on it as yet.
Apologies if blog postings are erratic or absent until I get the problem with my PC fixed.
Ian
gryllosblog 
GIMP (Gnu image manipulation programme) is a powerful, free to use programme: http://www.gimp.org/