Tri-Colored Pasta Salad with Ham

1 pkg of Tri-colored pasta
3 sticks of string cheese, sliced
1 can sliced black olives
2 cucumbers, peeled, sliced and quartered
1 bottle of cucumber salad dressing
1 can spam cubed

Cook pasta according to package. Combine pasta and remaining ingredients. Put in covered container in the refrigerator until chilled. Add more salad dressing if it is too dry.