Well, your first one looks like just a remake of NOGFX's Tech Tutorial one.
Also, finally2.png looks a bit blank and too straight.
Try adding some better details next time like.. an actual aimer.
well im sorry there not perfect and yes i have used his tech xhair tutourial to make em... but its so hard making em with gimp -.- there are less tutourials on how to make xhairs with gimp .. Ty for ur comments tho =D