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does anyone out there with some golf wisdom have any drils to help stop coming across the ball on the downswing

Try putting a tee in the ground a couple inches behind the ball and on the outside of the ball where you would normall come over and across. A water bottle works well too. Try to swing through the ball with out hitting the tee. This will promote coming from the inside out, thus eliminating the dreaded over the top slice you may have. Also, just placing a couple of clubs down (or something straight) on either side of where you're teeing your ball. Face them parallel to each other, toward your intended target. This way you can see the path that you want your club to come into the ball. I like the tee / water bottle method myself. You get instant feedback if you come over the top. Try this out and see what happens. Good luck.

Use a mid-iron for this drill (I like a 6, but just so it's a mid-iron). Take a narrow stance and then draw your right foot back about one foot.
Make your full backswing and swing the clubhead into the ball from the inside. Make sure your hands rotate the clubface to the square position. This stance will make it easier to make a full turn on your backswing and it will limit your tendency to cut across the ball from the outside.

I'd use a Wedge, try and shorten the swing slightley and try setting off on this inside. Practice this really slow (Without a ball) and try and get the feeling that the plane is smooth and that you don't come across coming back down. This may take a few hours to get into the rythem. But it will pay off in the end.