Stored procedure for inserting a constant plus values from another table

How to modify the following stored procedure if we want in the inserted records the Col3 contain a constant string 'Foo'?

INSERT Table2
       (Col1,
       Col2,
       Col3)
SELECT T1Col1,
       T1Col2
FROM   T开发者_开发问答able1

---

INSERT Table2
       (Col1,
       Col2,
       Col3)
SELECT T1Col1,
       T1Col2,
       'Something'
FROM   Table1

---

INSERT Table2
       (Col1,
       Col2,
       Col3)
SELECT T1Col1,
       T1Col2,
       'Foo'
FROM   Table1