Rp Tutorials

My brain is too mushy to poke around on my journal to do this, but. I'm pretty sure with S2 layouts there's a way to disable the 'previous' button- essentially blocking people from looking at anything but the entries on your recent page. Does anybody know how to do this offhand?

I'm having the worst possible time figuring out the lj-hook for firefox 4. I downloaded the program but I can't get the bar at the bottom to come up. Can anyone give me a step by step guide? I checked around but all I found that was a little helpful was a guide to randomize icons with the lj-hook.