Originally Posted by Scotty.T

I think that's what the different solutions I've tried does.

Problem comes when posts are different lengths - the post after the 'long post' starts on the column it's supposed to but it's starting point is level with the end of the 'long post' which means there is a huge gap between the post above and this new post. If you see what I mean.

I think I can get a solution from what fris posted.