docs: function(dropbox_obj,cb){
        
        var oauth = { 
                      consumer_key: dropbox_config.app_key
                    , consumer_secret: dropbox_config.app_secret
                    , token: dropbox_obj.oauth.access_token
                    , token_secret: dropbox_obj.oauth.access_token_secret
                    }
                    
        var totalPhotoCalls = 4
          , totalPhotoObj = {}
        
        function getPhoto(type){
        
          request.get({url: SEARCH_URI + "?query=."+type, oauth:oauth}, function (e, r, b) {
  
            if(e) return cb(e,null)
  
            totalPhotoCalls--
            b = JSON.parse(b)
            totalPhotoObj = _.merge(totalPhotoObj, b)
        
            if(!totalPhotoCalls) return cb(null,totalPhotoObj)
  
          }) // end request.post()
          
        }
  
        getPhoto('jpg')
        getPhoto('png')
        getPhoto('jpeg')
        getPhoto('gif')
        
      }