Here's quite a few pics from Blog Mickey. It gives a great overview of all of the changes. The fences being taken down to funnel everyone through security at MK is easily the best part about this imo.
PHOTOS - Magic Kingdom security checkpoints move to the Transportation & Ticket Center and resorts - Blog Mickey
Security for Monorail and Ferry at the TTC. If you walk from your car, you will be directed here.
New security coming from buses:
Fences gone coming from buses...
...and off of the monorail (feel free to turn left!)
Soon to be removed