First of all i dont know if this is the right section to put this in.

How do you make it look like the same on the thread?

I see people done it, but i dont know how. 

Do you just copy and paste the forum code? 

Just copy and paste the source code and delete the unimportant bits. Or you could just steal the code from older threads and edit it.

If all else fails just make screenshots.

Usually naked

Edit: sorry, misread the question 

You don't.....

Because VGChartz estimates numbers and are not accurate at all. You only have to look at NPD numbers to get an idea of how inaccurate the numbers can be on here. That's not even including Europe or the rest of the world.

VGC is good for giving a general overview. But it's not good for anything else like specific numbers or regional data.