SELECT c.name, b.sh_dd, d.photo_pic 
FROM wf_flow_inst a
LEFT JOIN wf_flow_d b ON a.inst_id = b.inst_id
LEFT JOIN tbrsystem..pswd c ON b.sh_usr = c.usr
LEFT JOIN salm d ON d.sal_no = b.sh_usr  
WHERE a.bil_no = 'SA41150003' 
AND a.temp_id = '10002' 
AND b.node_itm = 4  
ORDER BY b.sh_dd DESC;