Here is one of mine. This is the one that I grab when I am going out to shoot for me.
What's in your bag? Let's see it! What's the strangest thing you have in your camera bag? Mine is a first aid kit because I like to shoot landscapes and something always happens.
In a small personal bag, D90 with 28-105 attached, sb800, sb600, 3 sets (5/set) of AA for sb800, 2set (4/set) AA for sb600, spare camera batter, camera bat charger, extra cards, lens cloth and cleaning solution, on the outside are two pouches(one with 18-105 in it and AA/AAA charger) + bracket VelcroED to it .
When shooting the job , same as above + second bag with D300, 17-35, sb800, bunch of CF cards.
I used to carry lots of stuff.. but it no longer fits my style nor my life.
My bag .. er bags.. keep changing depending on what I want to shoot or do. Sometimes 2 rangefinders + 4 lenses. Sometimes 1 rangefinder + 3 lenses. Sometimes my Canon SLR + 24-104L + 50. Sometimes my Canon SLR + 24-104L + 100-400L. Sometimes simply a hip bag with an Panasonic LX3.
I don't actually carry a camera bag. I have a day pack which is what I use. I wear my camera. My daypack has three lenses, usually, a beanbag, extra memory cards, one camera battery, a lenspen, a cable release, and a polarizing filter.
My pack also includes lollipops and doggie treats for kids and dogs. A first aid kit. 3x5 index cards. Pen. Personal cards--I don't have a business. A book to read over lunch with a book weight for the book. A couple of extra tips for my walking stick or umbrella. A bandana for blowing my nose and whatever.