Ok, Insane thinks he knows best but I know how to post screenshots on forums but I did not understand a word of his instructions.

This is what I do:

Create an account on photobucket.

Go to options in the total war game you want to post a screenshot from and turn off anti-aliasing so it reads no anti-aliasing.

Take that screen using print screen

go to programfiles/sega/m2tw/tgas, this is where your screen will be saved. This will need to be converted, I find the easiest thing to do is copy and paste the tgas screen to paint and then save, deleting the old tgas to minimise the confusion.

Then log into photobucket and upload the paint-saved-screen by clicking browse.

When it is in your album the fourth link underneath the desired image labeled IMG Code. Simply paste this into a forum post and when you have posted it, it will be visible.

I hope this is clear.