Two cents from me would be to go for either Alvaro Pereira from Porto, or Aly Cissokho from Lyon for the left back position. For a forward, I would suggest making a move for either Stefan Kießling who plays for Bayer Leverkusen, or perhaps Dmitri Sychev from Russian club Lokomotiv Moskva.
LB - Look at Stephen Salgar or Salger... from some German club. If you are willing to develop a young player then look at Marcos Alonso of Bolton. He is a massive aggressive unit at LB. And develops fast. As he is 187 cms tall, he will be a big help in defending corners and crosses coming in. You can start playing him when his acceleration reaches 13. Before that, use him at your own risk.
ST - Kevin Gameiro of FC Lorient. / Nolan Roux from Stade Brestois 29. / Alberto Bueno of Valladolid.