1 make a file structure as so:
esf (folder)
addons (folder)
these folders are inside addons one:
metamod (folder)
dlls (subfolder inside metamod one)
amx (folder)
in the metamod folder create a file called Plugins.ini
in that file put this line:
win32 addons\amx\dlls\amx_mm.dll
metamod now loads amx also you need to edit you liblist.gam file to look like so:
// Earth Special Forces Game Info file
game "Earth`s Special Forces"
url_info "http://www.esforces.com"
url_dl "http://www.esforces.com/files.php"
version "Beta 1.1"
size "160000000"
svonly "0"
cldll "0"
type "multiplayer_only"
nomodels "1"
gamedll "addons\metamod\dlls\metamod.dll"