Use configuration variables for limiting nearby users, and bump the number to 30

app/models/user.rb

@@ -107,7 +107,7 @@ class User < ActiveRecord::Base
     (languages & array.collect { |i| i.to_s }).first
   end
 
-  def nearby(radius = 50, num = 10)
+  def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
     if self.home_lon and self.home_lat 
       gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
       bounds = gc.bounds(radius)

config/example.application.yml

@@ -41,6 +41,10 @@ standard_settings: &standard_settings
   # Quova authentication details
   #quova_username: ""
   #quova_password: ""
+  # Users to show as being nearby
+  nearby_users: 30
+  # Max radius, in km, for nearby users
+  nearby_radius: 50
   # Spam threshold
   spam_threshold: 50
   # Default legale (jurisdiction location) for contributor terms