fixed documentation errors

plugins/flickr/popcorn.flickr.js

@@ -26,7 +26,7 @@
    * 
    * Example:
      var p = Popcorn('#video')
-        .footnote({
+        .flickr({
           start:          5,                 // seconds, mandatory
           end:            15,                // seconds, mandatory
           userid:         '35034346917@N01', // optional

plugins/googlenews/popcorn.googlenews.js

@@ -33,7 +33,7 @@
    * 
    * Example:
      var p = Popcorn('#video')
-        .footnote({
+        .googlenews({
           start:          5,                 // seconds, mandatory
           end:            15,                // seconds, mandatory
           topic:          'oil spill',       // optional

plugins/lowerthird/popcorn.lowerthird.js

@@ -19,7 +19,7 @@
    * 
    * Example:
      var p = Popcorn('#video')
-        .footnote({
+        .lowerthird({
           start:          5,                 // seconds, mandatory
           end:            15,                // seconds, mandatory
           salutation:     'Mr',              // optional

plugins/subtitle/popcorn.subtitle.js

@@ -84,7 +84,7 @@
    * 
    * Example:
      var p = Popcorn('#video')
-        .footnote({
+        .subtitle({
           start:            5,                 // seconds, mandatory
           end:              15,                // seconds, mandatory
           text:             'Hellow world',    // optional

plugins/wordriver/popcorn.wordriver.js

@@ -42,6 +42,26 @@
   // Garbage collect support test span
   document.head.removeChild( span );
 
+  /**
+   * Word River popcorn plug-in 
+   * Displays a string of text, fading it in and out 
+   * while transitioning across the height of the parent container
+   * for the duration of the instance  (duration = end - start)
+   *  
+   * @param {Object} options
+   * 
+   * Example:
+     var p = Popcorn( '#video' )
+        .wordriver({
+          start: 5,                      // When to begin the Word River animation
+          end: 15,                       // When to finish the Word River animation
+          text: 'Hello World',           // The text you want to be displayed by Word River
+          target: 'wordRiverDiv',        // The target div to append the text to
+          color: "blue"                  // The color of the text. (can be Hex value i.e. #FFFFFF )
+        } )
+   *
+   */
+
   Popcorn.plugin( "wordriver" , {
     
       manifest: {},