1) Did you set up multiple screen resolutions when you setup X? If so, and I remeber right, you need to press the ctrl, alt and + at the same time to change between the differnet resolutions.
2) To make your scroll wheel work you need to edit the /etc/X11/XFree86Config file. Find the mouse section and make it look like this:
Option "Protocol" "IMPS/2"
Option "Device" "/dev/mouse"
Option "ZAxisMapping" "4 5"
3) Not sure, would have to play around and see.
4) Edit the files /etc/inetd.conf, rc.M, rc.inet2 in the /etc/rc.d directory. There will be lines that you need to uncomment and comment in then to start and stop services.
Check out this link http://members.cox.net/laitcg/new/x.html
, it has some goot info.