diff --git a/addon/modal.js b/addon/modal.js
index e480540e..c8322072 100644
--- a/addon/modal.js
+++ b/addon/modal.js
@@ -53,21 +53,21 @@ export default Ember.Object.extend({
 
 });
 
-function currentParams(controller, paramNames) {
-  var params={},
-      foundNonDefault = false,
-      proto = controller.constructor.proto(),
-      name,
-      value;
+function currentParams(controller, paramMap) {
+  var params = {};
+  var proto = controller.constructor.proto();
+  var foundNonDefault = false;
+  var to, from, value;
 
-  for (var i = 0; i < paramNames.length; i++) {
-    name = paramNames[i];
-    value = controller.get(name);
-    params[name] = value;
-    if (value !== proto[name]) {
+  for (from in paramMap) {
+    to = paramMap[from];
+    value = controller.get(from);
+    params[to] = value;
+    if (value !== proto[from]) {
       foundNonDefault = true;
     }
   }
+
   if (foundNonDefault) {
     return params;
   }
diff --git a/addon/modals.js b/addon/modals.js
index dc16f031..1dfaf8cc 100644
--- a/addon/modals.js
+++ b/addon/modals.js
@@ -19,13 +19,13 @@ export default Ember.Controller.extend({
   registerModal: function(config) {
     var ext = {
       modals: this,
-      container: this.container,
+      container: this.container
     };
-    config.options.withParams.forEach(function(param) {
-      ext[param + "Observer"] = Ember.observer('controller.' + param, function(){
-        this.update();
-      });
-    });
+
+    for (var param in config.options.withParams) {
+      ext[param + "Observer"] = observerForParam(param);
+    }
+
     this.get('modals').pushObject(
       Modal.extend(ext).create(config)
     );
@@ -43,3 +43,7 @@ export default Ember.Controller.extend({
   })
 
 });
+
+function observerForParam(param) {
+  return Ember.observer('controller.' + param, function() { this.update(); });
+}
\ No newline at end of file
diff --git a/addon/router-dsl-ext.js b/addon/router-dsl-ext.js
index 14177d32..d8ce5f84 100644
--- a/addon/router-dsl-ext.js
+++ b/addon/router-dsl-ext.js
@@ -10,9 +10,8 @@ proto.modal = function(componentName, opts) {
 
   opts = Ember.copy(opts);
 
-  if (!Ember.isArray(opts.withParams)) {
-    opts.withParams = [opts.withParams];
-  }
+  opts.withParams  = expandParamOptions(opts.withParams);
+  opts.otherParams = expandParamOptions(opts.otherParams);
 
   if (typeof(opts.dismissWithOutsideClick) === 'undefined') {
     opts.dismissWithOutsideClick = true;
@@ -39,3 +38,35 @@ Router.reopenClass({
     return output;
   }
 });
+
+// takes string, array of strings, object, or array of objects and strings
+// and turns them into one object to map withParams/otherParams from context to modal
+//
+// "foo"                   => { foo: "foo" }
+// ["foo"]                 => { foo: "foo" }
+// { foo: "bar" }          => { foo: "bar" }
+// ["foo", { bar: "baz" }] => { foo: "foo", bar: "baz" }
+//
+function expandParamOptions(options) {
+  if (!options) { return {}; }
+
+    if (!Ember.isArray(options)) {
+      options = [options];
+    }
+
+    var params = {};
+    var option, i, key;
+
+    for (i = 0; i < options.length; i++) {
+      option = options[i];
+      if (typeof option === "object") {
+        for (key in option) {
+          params[key] = option[key];
+        }
+      } else {
+        params[option] = option;
+      }
+    }
+
+    return params;
+  }
\ No newline at end of file
diff --git a/app/components/liquid-modal.js b/app/components/liquid-modal.js
index 06caeb43..873c9f3e 100644
--- a/app/components/liquid-modal.js
+++ b/app/components/liquid-modal.js
@@ -20,6 +20,18 @@ export default Ember.Component.extend({
       self.set('innerViewInstance', this);
     });
 
+    // set source so we can bind other params to it
+    args._source = Ember.computed(function() {
+      return current.get("source");
+    });
+
+    var otherParams = current.get("options.otherParams");
+    var from, to;
+    for (from in otherParams) {
+      to = otherParams[from];
+      args[to] = Ember.computed.alias("_source."+from);
+    }
+
     var actions = current.get("options.actions") || {};
 
     // Override sendAction in the modal component so we can intercept and
diff --git a/tests/acceptance/demos-test.js b/tests/acceptance/demos-test.js
index 2856d794..8b9c9b5e 100644
--- a/tests/acceptance/demos-test.js
+++ b/tests/acceptance/demos-test.js
@@ -173,6 +173,17 @@ test('modal demo', function() {
   });
 });
 
+test('modal demo with bound otherParams', function() {
+  visit('/modals');
+  click('#basic-modal-demo button');
+  andThen(function(){
+    fillIn('.modal-input', 'some new text');
+  });
+  andThen(function(){
+    ok(find('.template-input').val() === 'some new text', "Bound value has updated");
+  });
+});
+
 test('warn-popup - dismiss with overlay', function() {
   visit('/modals?warn=1');
   andThen(function(){
diff --git a/tests/dummy/app/controllers/modal-documentation.js b/tests/dummy/app/controllers/modal-documentation.js
index 33ebb5cb..dc1da839 100644
--- a/tests/dummy/app/controllers/modal-documentation.js
+++ b/tests/dummy/app/controllers/modal-documentation.js
@@ -3,6 +3,7 @@ import Ember from "ember";
 export default Ember.Controller.extend({
   queryParams: ['salutation', 'person'],
   salutation: null,
-  person: null
+  person: null,
+  modalMessage: "bound text for modal"
 });
 // END-SNIPPET
diff --git a/tests/dummy/app/controllers/modal-documentation/index.js b/tests/dummy/app/controllers/modal-documentation/index.js
new file mode 100644
index 00000000..02aeb62d
--- /dev/null
+++ b/tests/dummy/app/controllers/modal-documentation/index.js
@@ -0,0 +1,6 @@
+import Ember from 'ember';
+
+export default Ember.ObjectController.extend({
+  needs: ["modalDocumentation"],
+  modalMessage: Ember.computed.alias("controllers.modalDocumentation.modalMessage")
+});
\ No newline at end of file
diff --git a/tests/dummy/app/router.js b/tests/dummy/app/router.js
index 81b4fc36..d4f9df35 100644
--- a/tests/dummy/app/router.js
+++ b/tests/dummy/app/router.js
@@ -43,6 +43,9 @@ Router.map(function() {
     // BEGIN-SNIPPET hello-modal-map
     this.modal('hello-modal', {
       withParams: ['salutation', 'person'],
+      otherParams: {
+        modalMessage: "message"
+      },
       actions: {
         changeSalutation: "changeSalutation"
       }
diff --git a/tests/dummy/app/templates/components/hello-modal.hbs b/tests/dummy/app/templates/components/hello-modal.hbs
index 9ef7e713..0db78872 100644
--- a/tests/dummy/app/templates/components/hello-modal.hbs
+++ b/tests/dummy/app/templates/components/hello-modal.hbs
@@ -1,5 +1,6 @@
 {{!- BEGIN-SNIPPET hello-modal -}}
 <div>{{salutation}} {{person}}!</div>
+<div>{{input value=message class="modal-input"}}</div>
 <button {{action "gotIt"}} class="done">Thanks</button>
 <button {{action "change"}} class="change">Change</button>
 {{!- END-SNIPPET -}}
diff --git a/tests/dummy/app/templates/modal-documentation/index.hbs b/tests/dummy/app/templates/modal-documentation/index.hbs
index 820abfb5..5a23977b 100644
--- a/tests/dummy/app/templates/modal-documentation/index.hbs
+++ b/tests/dummy/app/templates/modal-documentation/index.hbs
@@ -61,11 +61,15 @@ button. But this is optional.</p>
     <div id="basic-modal-demo">
       And here's the result:
 
-    {{!- BEGIN-SNIPPET hello-tomster -}}
-    {{#link-to (query-params salutation="Guten tag" person="Stef") tagName="button"}}
-      Try It
-    {{/link-to}}
-    {{!- END-SNIPPET }}
+      {{!- BEGIN-SNIPPET hello-tomster -}}
+        {{#link-to (query-params salutation="Guten tag" person="Stef") tagName="button"}}
+          Try It
+        {{/link-to}}
+      {{!- END-SNIPPET }}
+
+      <p>
+        Bound value: {{input value=modalMessage class="template-input"}}
+      </p>
     </div>
 </ol>
 
diff --git a/tests/dummy/app/templates/modal-documentation/modal.hbs b/tests/dummy/app/templates/modal-documentation/modal.hbs
index 229c02f7..1aa060bb 100644
--- a/tests/dummy/app/templates/modal-documentation/modal.hbs
+++ b/tests/dummy/app/templates/modal-documentation/modal.hbs
@@ -13,14 +13,35 @@ re-animates.</p>
 
 <dl>
   <dt>withParams</dt>
-  <dd>The property name or array of property names that will be passed
-  to the component. We will show the component whenever any of these
-  has a non-default value.</dd>
+  <dd>
+    <p>
+      The property names that will be passed to the component.
+      We will show the component whenever any of these has a non-default value.
+      This can be a string, an array of strings, an object or an array of strings and objects.
+    </p>
+    <p>
+      If given an object, the key is the property name on the controller and the value
+      will be the name this is accessed as in the modal component.
+      For example, the following will map <code>foo</code> in the controller to <code>foo</code> in the modal,
+      and <code>bar</code> in the controller to <code>baz</code> in the modal.
+    </p>
+    <pre class="javascript hljs">
+withParams: ["foo", {
+  bar: "baz"
+}]</pre>
+  </dd>
+
+  <dt>otherParams</dt>
+  <dd>Lets you bind properties through from the controller to the modal.
+    These do not affect the displaying of the modal.
+    Accepts property names in the same format as `withParams`.
+  </dd>
 
   <dt>controller</dt>
   <dd>Optionally override the controller name that we will bind to. By
-  default we use the default controller name for the scope in which
-  you call <code>modal()</code>.
+    default we use the default controller name for the scope in which
+    you call <code>modal()</code>.
+  </dd>
 
   <dt>dismissWithOutsideClick</dt>
   <dd>If true, clicking outside the modal will dismiss it. If false,