Once the engine is out it shouldn't give you to much trouble. Just use a chisel and tap the inner edge of the freeze plug to pop it loose, if it wants to go into the block just grab it with some needle nose visegrips and pull it out.
Flush block with clean water untill all the brown crud is out and water runs clear, you can carefully scrape with a long shank screwdriver to make sure the passages are clear.
Make sure the hole are dry and then coat with some brown gasket sealer, I think it's #2, and then some on the edge of the plug. Find a socket you dont mind hammering on and fits the plug but not to snug because the plug compresses some and you won't get your socket back.:-D
Lightly tap to get started and ease it in to the jacket hole.
I hope this help's some, just shoot with any ???.