Skate 3

You can get this by pressing start after you get the cameraman and going to skate.Park under Career>Create. Once there you will spawn on the first one. Once you pass that look at the mini map on the top right and skate to the next light bulb. A new one will unlock each time you finish one. There are 5 total, once done with the 5th the achievement will unlock.

All the skate.Park tutorials come up after you acquire your new cameraman. After going to the new location, you'll through a couple of tutorials automatically. To do the rest, keep looking at the skate.Park section under Training in the Challenge Map. As soon as you know all the ins and outs of skate.Park, this will be yours.