Adding strobe flash to your photo booth is essential in photo booting world. It's a must that you provide good quality photos to your customer regardless of the size of the prints. The picture must be nice and crispy bright to look at and the picture must pop for your customer to be satisfied.
Putting a strobe flash with modeling light on your photo booth is always a great concept. Bounce it off the umbrella and you get an even better quality picture because of the spread of light vs direct lighting.
Below is the strobe flash type commonly used in the photo booth industry.
Photo Booth Application: