I always end up putting it all in Home anyway
/bin
Contains common linux command such as cp, ls and many others.
/boot
Things needed for the boot process of the system.
/dev
Contains files representing the devices in the system.
/etc
All the fun configuration files is here or in a subdirectory.
/home
Contains the home directories for each user.
/lib
/media
Directory where removable devices are mounted.
/mnt
/opt
/proc
/root
/sbin
/srv
/sys
/tmp
Temporary files used by running applications.
/usr
/var
http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/Linux-Filesystem-Hierarchy.html