OK, I've been waiting for this... didn't think it would be you, though Chop.
You need to scroll to the bottom of the screen using the browser slider on the right edge.
Then flick through the achives either using the mouse of clicking on the arrows.
When done slide back up the screen using the browser slider.
It seems a bit daft to create a separate blueprint section outside of the main archives, especially one that behaves differently to the rest of the site.
Like I say I can do a forum thread containing links if you want. Like this:
viewtopic.php?f=83&t=1731