While "virtamouse" appears to be the creator's handle, there are two prominent "Nicole" character looks frequently hosted on the , which is the primary official repository for these files:
Use the "Load Look" option and search for "Nicole" to apply the character preset.
: Move the .var file into your VaM installation directory, specifically the AddonPackages folder. Loading : Open VaM and select a person atom. Navigate to the Appearance or Look tab.