TTCTV has services for businesses too:

Advertising pages:

Advertising pages run at least 50 times a day. They run in Increments of 15 seconds.

Rates:

15 seconds: $150/Mo.
Each additional 15 seconds: $75

Paid Advertising time:

We offer paid advertising space is available in half-hour increments. Show your community all about your products and services.

Rates:

$25/half hour per airing.