My girlfriend send this meassage including a picture of me to her sister. Now she is teasing me because she won't tell the meaning of it. Could someone please translate this for me so i can tease her back. Many thanks.

Hinh ban cua chi

Em coi thu co dep trai ko nha,hinh nay la dep lam roi do,that ra anh ko dep trai lam nhung anh hien va de thuong lam,con tre nua lon hon chi 2 tuoi a,cho Ba coi thu Ba co noi gi ko nha.Thoi byebye nha