Unfortunately pictures do not come through on this forum. Some downward curvature of the erect penis is not all that unusual. Provided it's not progressive it may be considered "normal". If it is progressive then Peyronie's disease may be considered but this is extremely rare indeed..
getting a bit curved is not a problem but if it is curving more or you dont like it just go to your doctor it could be treated :)
Hi 80% of men/boys has a curve and gets along fine with it , the penis comes in all sorts of shapes , How ever if you think you can't perform the sex act because of the curve , please consult your Family Dr about it , take care ,