I mainly just use LiveJournal to keep a record of anything pertinent...my thoughts and feelings, my weight, measurements, my Curves workbook questions (love those - very inspiring even though I'm not doing a Curves diet or work out lol), etc.
My insurance has a great section for a walking log, with goals to set, etc...I use that as well.
Anything else I usually lose interest in (like FitDay). I did discover ***********.com through someone on here, and I think that will be a great place to keep photos and track of my weight. If I liked the blog properties a little more, I would consider using it instead of LiveJournal, but I love my LJ!