There are many tutorials and suggestions including installing a custom extensions etc.
I\'ve added the shipping_description fine based on various tips and tricks by modi
In order to prevent this type of error in sorting columns
SQLSTATE[23000]: Integrity constraint violation: 1052 Column ‘status’ in where clause is ambiguous ERROR
when sorting your orders…Make sure you add this:
'filter_index'=>'main_table.status',
to the addColumn Status array
hope this will sure help you.