need to add icon in ALV

i had declared atype and internal table repcetively,

TYPES : BEGIN OF ty_pr ,

icon LIKE icon-id ,

banfn LIKE eban-banfn ,

txz01 LIKE eban-txz01 ,

ernam LIKE eban-ernam ,

END OF ty_pr.

DATA : it_pr TYPE STANDARD TABLE OF ty_pr

WITH HEADER LINE.

i need to add one icon(not light) in the first column of ALV.Can anyone help me.

Thks,

Manish.