Just want to share some alshaders & mtoa_shaders with you.
I'm using a bat file to load arnold plugins, with ARNOLD_PLUGIN_PATH point to my arnold_gaffer folder
You can of course put all the dll and the mtd file to C:\Gaffer\arnold\7.3\arnoldPlugins.
alshaders: (compiled for arnold 3.7.2.1)
alCombineColor
alCombineFloat
alInputScalar
alInputVector
alPattern
alRemapColor
alRemapFloat
alSwitchColor
alSwitchFloat
mtoa_shaders: (compiled for arnold 3.7.2.1)
MayaBulge
MayaBrownian
MayaCloth
MayaCloud
MayaCloudAlpha
MayaCrater
MayaEnvSphere
MayaFractal
MayaGranite
MayaGrid
MayaLeather
MayaMarble
MayaMountain
MayaNoise
MayaRock
MayaSnow
MayaSolidFractal
MayaStucco
MayaVolumeNoise
MayaWater
MtoaWriteColor
MtoaWriteFloat
Download here:
https://github.com/rachyid/alshaders-mtoa_shaders-for-Gaffer