use image aliases from https://raw.githubusercontent.com/Azure/azure-rest-api-specs/master/arm-compute/quickstart-templates/aliases.json

src/command_modules/azure-cli-vm/azure/cli/command_modules/vm/mgmt/azuredeploy.json

@@ -115,9 +115,16 @@
       "type": "string",
       "defaultValue": "WinServer 2012 R2",
       "allowedValues": [
-        "Ubuntu 14.04",
-        "Ubuntu 15.10",
-        "WinServer 2012 R2",
+        "CentOS",
+        "CoreOS",
+        "Debian",
+        "openSUSE",
+        "RHEL",
+        "SLES",
+        "UbuntuLTS",
+        "Win2012R2Datacenter",
+        "Win2012Datacenter",
+        "Win2008R2SP1",
         "Custom"
       ],
       "metadata": {
@@ -256,27 +263,55 @@
   },
   "variables": {
     "imagePublishers": {
-      "Ubuntu 14.04": "Canonical",
-      "Ubuntu 15.10": "Canonical",
-      "WinServer 2012 R2": "MicrosoftWindowsServer",
+      "CoreOS": "CoreOS",
+      "Win2012R2Datacenter": "MicrosoftWindowsServer",
+      "Win2012Datacenter": "MicrosoftWindowsServer",
+      "Win2008R2SP1": "MicrosoftWindowsServer",
+      "Debian": "credativ",
+      "RHEL": "RedHat",
+      "CentOS": "OpenLogic",
+      "openSUSE": "SUSE",
+      "UbuntuLTS": "Canonical",
+      "SLES": "SUSE",
       "Custom": "[parameters('osPublisher')]"
     },
     "imageOffers": {
-      "Ubuntu 14.04": "UbuntuServer",
-      "Ubuntu 15.10": "UbuntuServer",
-      "WinServer 2012 R2": "WindowsServer",
+      "CoreOS": "CoreOS",
+      "Win2012R2Datacenter": "WindowsServer",
+      "Win2012Datacenter": "WindowsServer",
+      "Win2008R2SP1": "WindowsServer",
+      "Debian": "Debian",
+      "RHEL": "RHEL",
+      "CentOS": "CentOS",
+      "openSUSE": "openSUSE",
+      "UbuntuLTS": "UbuntuServer",
+      "SLES": "SLES",
       "Custom": "[parameters('osOffer')]"
     },
     "imageSkus": {
-      "Ubuntu 14.04": "14.04.4-DAILY-LTS",
-      "Ubuntu 15.10": "15.10",
-      "WinServer 2012 R2": "2012-R2-Datacenter",
+      "CoreOS": "Stable",
+      "Win2012R2Datacenter": "2012-R2-Datacenter",
+      "Win2012Datacenter": "2012-Datacenter",
+      "Win2008R2SP1": "2008-R2-SP1",
+      "Debian": "8",
+      "RHEL": "7.2",
+      "CentOS": "7.2",
+      "openSUSE": "13.2",
+      "UbuntuLTS": "14.04.4-LTS",
+      "SLES": "12-SP1",
       "Custom": "[parameters('osSKU')]"
     },
     "imageVersions": {
-      "Ubuntu 14.04": "14.04.201603140",
-      "Ubuntu 15.10": "15.10.201603290",
-      "WinServer 2012 R2": "latest",
+      "CoreOS": "latest",
+      "Win2012R2Datacenter": "latest",
+      "Win2012Datacenter": "latest",
+      "Win2008R2SP1": "latest",
+      "Debian": "latest",
+      "RHEL": "latest",
+      "CentOS": "latest",
+      "openSUSE": "latest",
+      "UbuntuLTS": "latest",
+      "SLES": "latest",
       "Custom": "[parameters('osVersion')]"
     },
     "vnetDeploymentName": "[concat('VNet', variables('vmName'))]",