diff --git a/app/controllers/tag_aliases_controller.rb b/app/controllers/tag_aliases_controller.rb
index 7e9f6df95..8d4edee17 100644
--- a/app/controllers/tag_aliases_controller.rb
+++ b/app/controllers/tag_aliases_controller.rb
@@ -1,5 +1,6 @@
 class TagAliasesController < ApplicationController
-  before_filter :admin_only, :only => [:new, :create, :destroy]
+  before_filter :admin_only, :only => [:approve, :destroy]
+  before_filter :member_only, :only => [:create]
   respond_to :html, :xml, :json, :js
   
   def new
@@ -9,13 +10,12 @@ class TagAliasesController < ApplicationController
   
   def index
     @search = TagAlias.search(params[:search])
-    @tag_aliases = @search.paginate(params[:page])
+    @tag_aliases = @search.order("(case status when 'pending' then 0 when 'queued' then 1 else 2 end), antecedent_name, consequent_name").paginate(params[:page])
     respond_with(@tag_aliases)
   end
   
   def create
     @tag_alias = TagAlias.create(params[:tag_alias])
-    @tag_alias.delay.process!
     respond_with(@tag_alias, :location => tag_aliases_path(:search => {:id_eq => @tag_alias.id}))
   end
   
@@ -25,6 +25,13 @@ class TagAliasesController < ApplicationController
     respond_with(@tag_alias, :location => tag_aliases_path)
   end
   
+  def approve
+    @tag_alias = TagAlias.find(params[:id])
+    @tag_alias.update_column(:status, "queued")
+    @tag_alias.delay.process!
+    respond_with(@tag_alias, :location => tag_alias_path(@tag_alias))
+  end
+  
   def cache
     @tag_alias = TagAlias.find(params[:id])
     @tag_alias.clear_cache
diff --git a/app/controllers/tag_implications_controller.rb b/app/controllers/tag_implications_controller.rb
index 36f829baf..882e19945 100644
--- a/app/controllers/tag_implications_controller.rb
+++ b/app/controllers/tag_implications_controller.rb
@@ -1,5 +1,6 @@
 class TagImplicationsController < ApplicationController
-  before_filter :admin_only, :only => [:new, :create, :destroy]
+  before_filter :admin_only, :only => [:approve, :destroy]
+  before_filter :member_only, :only => [:create]
   respond_to :html, :xml, :json, :js
   
   def new
@@ -9,13 +10,12 @@ class TagImplicationsController < ApplicationController
   
   def index
     @search = TagImplication.search(params[:search])
-    @tag_implications = @search.paginate(params[:page])
+    @tag_implications = @search.order("(case status when 'pending' then 0 when 'queued' then 1 else 2 end), antecedent_name, consequent_name").paginate(params[:page])
     respond_with(@tag_implicationes)
   end
   
   def create
     @tag_implication = TagImplication.create(params[:tag_implication])
-    @tag_implication.delay.process!
     respond_with(@tag_implication, :location => tag_implications_path(:search => {:id_eq => @tag_implication.id}))
   end
   
@@ -24,4 +24,11 @@ class TagImplicationsController < ApplicationController
     @tag_implication.destroy
     respond_with(@tag_implication)
   end
+  
+  def approve
+    @tag_implication = TagImplication.find(params[:id])
+    @tag_implication.update_column(:status, "queued")
+    @tag_implication.delay.process!
+    respond_with(@tag_implication, :location => tag_implication_path(@tag_implication))
+  end
 end
diff --git a/app/models/tag_alias.rb b/app/models/tag_alias.rb
index 786c87951..0b6ca57a4 100644
--- a/app/models/tag_alias.rb
+++ b/app/models/tag_alias.rb
@@ -11,7 +11,7 @@ class TagAlias < ActiveRecord::Base
   def self.to_aliased(names)
     alias_hash = Cache.get_multi(names.flatten, "ta") do |name|
       ta = TagAlias.find_by_antecedent_name(name)
-      if ta
+      if ta && ta.is_active?
         ta.consequent_name
       else
         name
@@ -29,6 +29,14 @@ class TagAlias < ActiveRecord::Base
     update_column(:status, "error: #{e}")
   end
   
+  def is_pending?
+    status == "pending"
+  end
+  
+  def is_active?
+    status == "active"
+  end
+  
   def initialize_creator
     self.creator_id = CurrentUser.user.id
     self.creator_ip_addr = CurrentUser.ip_addr
diff --git a/app/models/tag_implication.rb b/app/models/tag_implication.rb
index e0a497f87..06c56ebff 100644
--- a/app/models/tag_implication.rb
+++ b/app/models/tag_implication.rb
@@ -13,7 +13,7 @@ class TagImplication < ActiveRecord::Base
     module ClassMethods
       # assumes names are normalized
       def with_descendants(names)
-        (names + where("antecedent_name in (?)", names).map(&:descendant_names_array)).flatten.uniq
+        (names + where("antecedent_name in (?) and status = ?", names, "active").map(&:descendant_names_array)).flatten.uniq
       end
     end
     
@@ -24,7 +24,7 @@ class TagImplication < ActiveRecord::Base
 
           until children.empty?
             all.concat(children)
-            children = self.class.where(["antecedent_name IN (?)", children]).all.map(&:consequent_name)
+            children = self.class.where(["antecedent_name IN (?) and status = ?", children, "active"]).all.map(&:consequent_name)
           end
         end
       end
@@ -103,6 +103,14 @@ class TagImplication < ActiveRecord::Base
     end
   end
   
+  def is_pending?
+    status == "pending"
+  end
+  
+  def is_active?
+    status == "active"
+  end
+  
   def reload(options = {})
     super
     clear_parent_cache
diff --git a/app/views/tag_aliases/approve.js.erb b/app/views/tag_aliases/approve.js.erb
new file mode 100644
index 000000000..5fc44ba7f
--- /dev/null
+++ b/app/views/tag_aliases/approve.js.erb
@@ -0,0 +1 @@
+$("#tag-alias-status-for-<%= @tag_alias.id %>").html("queued");
\ No newline at end of file
diff --git a/app/views/tag_aliases/index.html.erb b/app/views/tag_aliases/index.html.erb
index 9bfce28a7..5b0cb8d07 100644
--- a/app/views/tag_aliases/index.html.erb
+++ b/app/views/tag_aliases/index.html.erb
@@ -11,10 +11,11 @@
     <table width="100%" class="striped">
       <thead>
         <tr>
-          <th width="20%">From</th>
-          <th width="20%">To</th>
-          <th width="20%">Reference</th>
-          <th width="40%"></th>
+          <th width="30%">From</th>
+          <th width="30%">To</th>
+          <th width="10%">Reference</th>
+          <th width="10%">Status</th>
+          <th width="20%"></th>
         </tr>        
       </thead>
       <tbody>
@@ -27,9 +28,16 @@
                 <%= link_to tag_alias.forum_topic_id, forum_topic_path(tag_alias.forum_topic_id) %>
               <% end %>
             </td>
+            <td id="tag-alias-status-for-<%= tag_alias.id %>">
+              <%= tag_alias.status %>
+            </td>
             <td>
               <% if CurrentUser.is_admin? %>
                 <%= link_to "Delete", tag_alias_path(tag_alias), :remote => true, :method => :delete, :confirm => "Are you sure you want to delete this alias?" %>
+                
+                <% if tag_alias.is_pending? %>
+                  | <%= link_to "Approve", approve_tag_alias_path(tag_alias), :remote => true, :method => :post %>
+                <% end %>
               <% end %>
             </td>
           </tr>
diff --git a/app/views/tag_implications/approve.js.erb b/app/views/tag_implications/approve.js.erb
new file mode 100644
index 000000000..f51bfb638
--- /dev/null
+++ b/app/views/tag_implications/approve.js.erb
@@ -0,0 +1 @@
+$("#tag-implication-status-for-<%= @tag_implication.id %>").html("queued");
\ No newline at end of file
diff --git a/app/views/tag_implications/index.html.erb b/app/views/tag_implications/index.html.erb
index 6df6b8c8b..29685f7bd 100644
--- a/app/views/tag_implications/index.html.erb
+++ b/app/views/tag_implications/index.html.erb
@@ -11,10 +11,11 @@
     <table width="100%" class="striped">
       <thead>
         <tr>
-          <th width="20%">From</th>
-          <th width="20%">To</th>
-          <th width="20%">Reference</th>
-          <th width="40%"></th>
+          <th width="30%">From</th>
+          <th width="30%">To</th>
+          <th width="10%">Reference</th>
+          <th width="10%">Status</th>
+          <th width="15%"></th>
         </tr>        
       </thead>
       <tbody>
@@ -27,10 +28,15 @@
                 <%= link_to tag_implication.forum_topic_id, forum_topic_path(tag_implication.forum_topic_id) %>
               <% end %>
             </td>
+            <td id="tag-implication-status-for-<%= tag_implication.id %>"><%= tag_implication.status %></td>
             <td>
               <% if CurrentUser.is_admin? %>
                 <%= link_to "Delete", tag_implication_path(tag_implication), :remote => true, :method => :delete, :confirm => "Are you sure you want to delete this implication?" %>
               <% end %>
+              
+              <% if tag_implication.is_pending? %>
+                | <%= link_to "Approve", approve_tag_implication_path(tag_implication), :remote => true, :method => :post %>
+              <% end %>
             </td>
           </tr>
         <% end %>        
diff --git a/config/routes.rb b/config/routes.rb
index eb1f0a698..4926024b0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -121,9 +121,14 @@ Danbooru::Application.routes.draw do
   resources :tag_aliases do
     member do
       delete :cache
+      post :approve
+    end
+  end
+  resources :tag_implications do
+    member do
+      post :approve
     end
   end
-  resources :tag_implications
   resources :tag_subscriptions do
     member do
       get :posts
diff --git a/tmp/alpha.png b/tmp/alpha.png
new file mode 100644
index 000000000..7fec549c9
Binary files /dev/null and b/tmp/alpha.png differ
diff --git a/tmp/test-large.jpg b/tmp/test-large.jpg
new file mode 100644
index 000000000..c27382e5f
Binary files /dev/null and b/tmp/test-large.jpg differ