diff --git a/app.rb b/app.rb
index 364d3212..8206bc54 100644
--- a/app.rb
+++ b/app.rb
@@ -308,7 +308,7 @@ post '/plan/update' do
     })
   end
 
-  redirect '/plan/thanks'
+  redirect params[:plan_type] == 'free' ? '/plan' : '/plan/thanks'
 end
 
 get '/plan/thanks' do
@@ -591,7 +591,8 @@ post '/create' do
     password: params[:password],
     email: params[:email],
     new_tags_string: params[:tags],
-    ip: request.ip
+    ip: request.ip,
+    created_at: Time.now
   )
 
   black_box_answered = BlackBox.valid? params[:blackbox_answer], request.ip
diff --git a/environment.rb b/environment.rb
index ea977c0d..a41cc725 100644
--- a/environment.rb
+++ b/environment.rb
@@ -88,7 +88,6 @@ Sequel.extension :core_extensions
 Sequel.extension :migration
 Sequel::Model.plugin :validation_helpers
 Sequel::Model.plugin :force_encoding, 'UTF-8'
-Sequel::Model.plugin :timestamps, create: :created_at, update: :updated_at
 Sequel::Model.plugin :defaults_setter
 Sequel.default_timezone = 'UTC'
 Sequel::Migrator.apply DB, './migrations'
diff --git a/models/site.rb b/models/site.rb
index 5a5d9268..9e981108 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -34,9 +34,6 @@ class Site < Sequel::Model
     geojson csv tsv mf ico pdf asc key pgp xml mid midi
   }
 
-  FREE_MAXIMUM = 20 * Numeric::ONE_MEGABYTE
-  SUPPORTER_MAXIMUM = 1000 * Numeric::ONE_MEGABYTE
-
   MINIMUM_PASSWORD_LENGTH = 5
   BAD_USERNAME_REGEX = /[^\w-]/i
   VALID_HOSTNAME = /^[a-z0-9][a-z0-9-]+?[a-z0-9]$/i # http://tools.ietf.org/html/rfc1123
@@ -457,7 +454,7 @@ class Site < Sequel::Model
     path = files_path path
 
     if File.exist?(path) &&
-       Digest::SHA2.file(path).digest == Digest::SHA2.file(uploaded.path).digest
+       Digest::SHA1.file(path).digest == Digest::SHA1.file(uploaded.path).digest
       return false
     end
 
@@ -802,32 +799,32 @@ class Site < Sequel::Model
   end
 
   def file_size_too_large?(size)
-    return true if size + used_space > maximum_space
+    return true if size + space_used > maximum_space
     false
   end
 
-  def used_space
+  def actual_space_used
     space = Dir.glob(File.join(files_path, '*')).collect {|p| File.size(p)}.inject {|sum,x| sum += x}
     space.nil? ? 0 : space
   end
 
-  def total_used_space
+  def total_space_used
     total = 0
-    account_sites.each {|s| total += s.used_space}
+    account_sites.each {|s| total += s.space_used}
     total
   end
 
   def remaining_space
-    remaining = maximum_space - total_used_space
+    remaining = maximum_space - total_space_used
     remaining < 0 ? 0 : remaining
   end
 
   def maximum_space
-    (parent? ? self : parent).supporter? ? SUPPORTER_MAXIMUM : FREE_MAXIMUM
+    PLAN_FEATURES[(parent? ? self : parent).plan_type.to_sym][:space]
   end
 
   def space_percentage_used
-    ((total_used_space.to_f / maximum_space) * 100).round(1)
+    ((total_space_used.to_f / maximum_space) * 100).round(1)
   end
 
   def supporter?
diff --git a/views/dashboard.erb b/views/dashboard.erb
index 0189274d..11bf1dff 100644
--- a/views/dashboard.erb
+++ b/views/dashboard.erb
@@ -34,7 +34,7 @@
 <% if current_site.updated_at %>
 	<li>Last updated <%= current_site.updated_at.ago.downcase %></li>
 <% end %>
-	<li>Using <strong><%= current_site.space_percentage_used %>% (<%= current_site.total_used_space.to_space_pretty %>) of your <%= current_site.maximum_space.to_space_pretty %></strong>.
+	<li>Using <strong><%= current_site.space_percentage_used %>% (<%= current_site.total_space_used.to_space_pretty %>) of your <%= current_site.maximum_space.to_space_pretty %></strong>.
   <br>
   <% if !current_site.supporter? %>Need more space? <a href="/plan">Become a Supporter!</a><% end %></li>
 	<li><strong><%= current_site.hits.to_s.reverse.gsub(/...(?=.)/,'\&,').reverse %></strong> hits</li>
diff --git a/views/plan/_pricing.erb b/views/plan/_pricing.erb
index fb3b914c..b2a0ac65 100644
--- a/views/plan/_pricing.erb
+++ b/views/plan/_pricing.erb
@@ -332,7 +332,7 @@
             <strong>It's affordable.</strong> As low as <strong>$<%= Site::PLAN_FEATURES[:supporter][:price] %>/month</strong> (billed once every year). Higher tiers are optional (and appreciated!)
           </li>
           <li>
-            <strong>You can cancel or change plans anytime.</strong> If you do, we'll refund/prorate the amount you didn't use.
+            <strong>You can cancel or change plans anytime.</strong> If you do, we'll refund or credit the amount you didn't use.
           </li>
         </ul>
       </div>
@@ -375,7 +375,7 @@
     </div>
     <div class="modal-body">
         <div>
-          You are <% if current_site && parent_site.plan_type == 'free' %>upgrading<%else%>changing<%end%> to the <strong><span id="upgradeFormPlanName"></span> Plan</strong>. You will be charged <span id="upgradeFormPlanPrice"></span>. 
+          You are <% if current_site && parent_site.plan_type == 'free' %>upgrading<%else%>changing<%end%> to the <strong><span id="upgradeFormPlanName"></span> Plan</strong>. You will be charged <span id="upgradeFormPlanPrice"></span>. <% if current_site && parent_site.plan_type != 'free' %>We'll credit or refund the remaining amount you didn't use on your previous plan.<% end %> 
           <% unless current_site && parent_site.stripe_customer_id %>
             Please enter your Credit Card number:
           <% end %>
diff --git a/views/plan/thanks.erb b/views/plan/thanks.erb
index e33bdcaa..e96a5db7 100644
--- a/views/plan/thanks.erb
+++ b/views/plan/thanks.erb
@@ -10,7 +10,8 @@
   <article>
     <div class="txt-Center"><img src="/img/heartcat.png"></div>
 
-    <h1 class="txt-Center">Thank you for your support.</h1>
+    <h1 class="txt-Center">You now have the <%= Site::PLAN_FEATURES[parent_site.plan_type.to_sym][:name] %> plan.<br>Thank you for your support!</h1>
+
     <p>
       Your support allows Neocities to continue our project to bring back the web. We will do our best to ensure that the site remains a great place for people to express themselves - one web page at a time.
     </p>