Read "Making pefect landings in light airplanes" by Ron Fowler it's listed on Amazon.
In the meantime....... First nail the speeds, a much better pilot than you (or me) worked out what they should be. The landing sequence isn't a single event. So as you approach the touch down point you first round out and fly straight and level at very low altitude and low power. Then close the throttle and slowly pull back on the controls maintaining straight with rudder (you can worry about cross winds later) basically try not to land! Eventually the mains will touch down as the stall warner starts, then gently lower the nose wheel and keep straight as the speed bleeds off down to taxi speed and you turn off the runway and stop to do the after landing checks. Then and only then have you landed.
Hope that helps