how about listing the structure of the robottype.dat or monstertype.dat in the client ini files for starts ... most of them can be guessed by the values in each entry
or
maybe you can take a stab at this other guy who asked for help recently to configure his server
or
detailed descriptions of dmap structure and image editing to build new maps
or
show an example of decompiling the mesage server and or zero.exe to change the security key or remove/alter checksums etc
or
a proper list of action types and parameters for quick reference for new people