diff --git a/middleman-core/features/implied_extensions.feature b/middleman-core/features/implied_extensions.feature
index 815d6745..63d4e5c4 100644
--- a/middleman-core/features/implied_extensions.feature
+++ b/middleman-core/features/implied_extensions.feature
@@ -2,6 +2,8 @@ Feature: Use default extensions when user doesn't supply them
 
   Scenario: Default extensions preview
     Given the Server is running at "implied-extensions-app"
+    When I go to "/"
+    Then I should see "hello: world"
     When I go to "/index.html"
     Then I should see "hello: world"
     When I go to "/index.erb"
@@ -9,13 +11,15 @@ Feature: Use default extensions when user doesn't supply them
     When I go to "/index"
     Then I should see "File Not Found"
     
-  Scenario: Default extensions preview  
+  Scenario: Override erb extension
     Given a fixture app "implied-extensions-app"
     And a file named "config.rb" with:
        """
        template_extensions :erb => :htm
        """
     And the Server is running
+    When I go to "/"
+    Then I should see "File Not Found"
     When I go to "/index.htm"
     Then I should see "hello: world"
     When I go to "/index.erb"
@@ -24,6 +28,19 @@ Feature: Use default extensions when user doesn't supply them
     Then I should see "File Not Found"
     When I go to "/index.html"
     Then I should see "File Not Found"
+    
+  Scenario: Override erb extension
+    Given a fixture app "implied-extensions-app"
+    And a file named "config.rb" with:
+       """
+       set :index_file, "index.htm"
+       template_extensions :erb => :htm
+       """
+    And the Server is running
+    When I go to "/"
+    Then I should see "hello: world"
+    When I go to "/index.htm"
+    Then I should see "hello: world"
   
   Scenario: Default extensions build
     Given a fixture app "implied-extensions-app"
diff --git a/middleman-core/lib/middleman-core/renderers/less.rb b/middleman-core/lib/middleman-core/renderers/less.rb
index 52faf0e1..96f9cebb 100644
--- a/middleman-core/lib/middleman-core/renderers/less.rb
+++ b/middleman-core/lib/middleman-core/renderers/less.rb
@@ -33,7 +33,6 @@ module Middleman
           if ::Less.const_defined? :Engine
             @engine = ::Less::Engine.new(data)
           else
-            $stderr.puts "HEEERE"
             parser  = ::Less::Parser.new(options.merge :filename => eval_file, :line => line, :paths => [".", File.dirname(eval_file)])
             @engine = parser.parse(data)
           end
diff --git a/middleman-more/features/implied_extensions.feature b/middleman-more/features/implied_extensions.feature
new file mode 100644
index 00000000..785a6d7b
--- /dev/null
+++ b/middleman-more/features/implied_extensions.feature
@@ -0,0 +1,43 @@
+Feature: More default extensions
+
+  Scenario: Default extensions preview
+    Given the Server is running at "implied-extensions-app"
+    When I go to "/test.html"
+    Then I should see "Hello"
+    When I go to "/test2.html"
+    Then I should see "World"
+    When I go to "/test3.html"
+    Then I should see "Howdy"
+    When I go to "/test4.html"
+    Then I should see "HELLO"
+    When I go to "/javascripts/app.js"
+    Then I should see "derp"
+    When I go to "/stylesheets/style.css"
+    Then I should see "section"
+    When I go to "/stylesheets/style2.css"
+    Then I should see "section"
+    When I go to "/stylesheets/style3.css"
+    Then I should see "color"
+    
+  
+  Scenario: Default extensions build
+    Given a fixture app "implied-extensions-app"
+    And a successfully built app at "implied-extensions-app"
+    When I cd to "build"
+    Then the following files should exist:
+      | test.html              |
+      | test2.html             |
+      | test3.html             |
+      | test4.html             |
+      | javascripts/app.js     |
+      | stylesheets/style.css  |
+      | stylesheets/style2.css |
+      | stylesheets/style3.css |
+    And the file "test.html" should contain "Hello"
+    And the file "test2.html" should contain "World"
+    And the file "test3.html" should contain "Howdy"
+    And the file "test4.html" should contain "HELLO"
+    And the file "javascripts/app.js" should contain "derp"
+    And the file "stylesheets/style.css" should contain "section"
+    And the file "stylesheets/style2.css" should contain "section"
+    And the file "stylesheets/style3.css" should contain "color"
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/config.rb b/middleman-more/fixtures/implied-extensions-app/config.rb
new file mode 100644
index 00000000..e69de29b
diff --git a/middleman-more/fixtures/implied-extensions-app/source/javascripts/app.coffee b/middleman-more/fixtures/implied-extensions-app/source/javascripts/app.coffee
new file mode 100644
index 00000000..bd6d320d
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/javascripts/app.coffee
@@ -0,0 +1 @@
+hello = (args...) -> "derp"
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style.scss b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style.scss
new file mode 100644
index 00000000..d8847a80
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style.scss
@@ -0,0 +1,3 @@
+@import "compass";
+
+@include global-reset;
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style2.sass b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style2.sass
new file mode 100644
index 00000000..661ca0a8
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style2.sass
@@ -0,0 +1,3 @@
+@import "compass"
+
++global-reset
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style3.less b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style3.less
new file mode 100644
index 00000000..420d50d4
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/stylesheets/style3.less
@@ -0,0 +1,4 @@
+@base: #f938ab;
+.box { 
+  color: @base;
+}
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/test.haml b/middleman-more/fixtures/implied-extensions-app/source/test.haml
new file mode 100644
index 00000000..b79ea27c
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/test.haml
@@ -0,0 +1,4 @@
+!!!
+%html
+  %body
+    Hello
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/test2.markdown b/middleman-more/fixtures/implied-extensions-app/source/test2.markdown
new file mode 100644
index 00000000..763a7558
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/test2.markdown
@@ -0,0 +1,3 @@
+# Hello
+
+## World
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/test3.slim b/middleman-more/fixtures/implied-extensions-app/source/test3.slim
new file mode 100644
index 00000000..69eaa720
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/test3.slim
@@ -0,0 +1,3 @@
+html
+  body
+    | Howdy
\ No newline at end of file
diff --git a/middleman-more/fixtures/implied-extensions-app/source/test4.liquid b/middleman-more/fixtures/implied-extensions-app/source/test4.liquid
new file mode 100644
index 00000000..dab9ce8f
--- /dev/null
+++ b/middleman-more/fixtures/implied-extensions-app/source/test4.liquid
@@ -0,0 +1 @@
+{{ 'Hello' | upcase }}
\ No newline at end of file