from Products.CMFCore.DirectoryView import addDirectoryViews
from Products.CMFCore.utils import getToolByName

def install(self):
    ps = getToolByName(self, 'portal_skins')
    addDirectoryViews(ps, '../skins', globals())
    
    ps.addSkinSelection('ZTM', 'custom, ZTopicMap, zpt_content, ' +
                        'zpt_generic, zpt_control, content, ' +
                        'generic, control, Images', test=1, make_default=1)