Pin anything to Windows 8 Start page.

[jasonb]

Save the following .reg file and import it:

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\*\shell\pintostartscreen]
"MUIVerb"="@shell32.dll,-51201"
"NeverDefault"=""
"Description"="@shell32.dll,-51202"
"MultiSelectModel"="Single"

[HKEY_CLASSES_ROOT\*\shell\pintostartscreen\command]
"DelegateExecute"="{470C0EBD-5D73-4d58-9CED-E91E22E23282}"