Automatic Litterbox Central

Tom always seems to dig and eliminate waste at the bottom of the box.

It makes life a tad bit more difficult.

I always end up having to scrape still wet urine clumps from the bottom of the box, since the clumping Arm & Hammer litter doesn't like to absorb sideways, just down.

On another note, he seems to stand at the edge of the littermaid ramp and scoop litter onto the ramp and all over the floor.

Since I attend school, there is no way for me to monitor his behavior 24/7.

Anything I can do while I'm with him to curb his behavior?