She can take him to court if he fails to abide by the order.

No. It’s called condemnation of the infidelity.

Do I claim both now or will it stay the same from what I understood I would claim both

Just from the facts stated the only thing that was modified was custody and visitation, and child support. The lax exemptions would remain the same.

Do I get money for the days he sits in jail?

he is ordered to pay child support from the date the courts issued the Order. Regardless of whether he's employed, unemployed, homeless, or...