Multiple time slides

I want to use my laptop for workout ques. For my indoor bike workouts, I want to show "_____effort" and the time remaining for each time period... For example, this is the workout I want to do...

5 min w/u
20 min @ 275 W
5 min easy
5 min @ 325 W
2.5 min easy
5 min @ 325 W
2.5 min easy
0.5 min at 500 W
2 min easy
0.5 min at 500 W
2 min easy
0.5 min at 500 W
2 min easy
0.5 min at 500 W
2.5 min easy
5 min warm-down

Any suggestions on programs?