added some images

Author: Allen Kim

testapp/custom-marker.html

@@ -85,10 +85,14 @@
       {{world}}
       <map zoom="2" center="toronto, canada" style="height:300px">
         <custom-marker id="can" position="canada" on-click="click()">
-          <div><b>Hi, USA</b></div>
+        <div><b>Hi, USA</b>
+          <img src="http://icons.iconarchive.com/icons/custom-icon-design/2014-world-cup-flags/32/USA-icon.png" />
+        </div>
         </custom-marker>
         <custom-marker id="usa" position="united state of america">
-          <div><b>Hello, Canada</b></div>
+        <div><b>Hello, Canada</b>
+          <img src="http://icons.iconarchive.com/icons/gosquared/flag/32/Canada-flat-icon.png" />
+        </div>
         </custom-marker>
       </map>
       <ul id="chats">
@@ -98,10 +102,17 @@
         <li class="can"> <span><b>Yes, we also have free market.</b></span>
         <li class="usa"> <span><b>We have president.</b></span>
         <li class="can"> <span><b>Hmm, Canada has prime minister.</b></span>
-        <li class="usa"> <span><b>We have freedom of guns!!!.</b></span>
+        <li class="usa">
+          <span><b>We have freedom of guns!!!.</b><br/>
+            <img src="http://icons.iconarchive.com/icons/icons8/windows-8/64/Military-Firing-Gun-icon.png" width-="32"/>
+          </span>
         <li class="can"> <span><b>...</b></span>
         <li class="usa"> <span><b>...</b></span>
-        <li class="can"> <span><b>We have free health care!!!</b></span>
+        <li class="can"> 
+          <span>
+            <b>We have free health care!!!</b><br/>
+            <img src="http://icons.iconarchive.com/icons/gosquared/flag/64/Red-Cross-flat-icon.png" width="32" />
+          </span>
         <li class="usa"> <span><b>...</b></span>
         <li class="can"> <span><b>...</b></span>
         <li class="usa"> <span><b>Bye Candaa</b></span>