To earn extra Gil and exp, you can easily take some snapshots during your adventures in Eos. You will find Vyv standing in the lookout area below the parking lot in Lestallum. He will pay some good Gil for photographs of places of his interest. VYV is considered as one of the best quest hubs in the game.
Recommended Level 8
This quest is unlocked when you complete the Tour with Iris in Chapter 3 and rewards 1,000 XP and 5,000 Gil. Talk to Vyv to get your first assignment. He wants you to take a few pictures of the Disc of Cauthess. Drive to your first location, have Prompto take a picture, then drive to the second to snap the next one as will all these quests you need to take photos during daytime. Head back to him to hand him the pictures and get your reward.
Recommended Level 10
You can unlock the quest after you complete the initial Perfect Landscape. It rewards 1,500 XP and 7,500 Gil. The second task into take the picture of Angelard. You can find the island off the south east coast. Once he gives you details go back to the dock at Galvin Quay (where the Dino is located), take a shot and return back to Vyv.
Recommended Level 12
Rewards 2,000 XP along with 10,000 Gil. You have to take two pictures of Taelpar Crag. The position for the first shot will be near an Imperial base so expect ambushes. The second shot is from the bridge. Then head back to Vyv.
Recommended Level 14
Awards 2,500 XP and 12,500 Gil. Vyv now wants you to take two pictures in the Fallgrove tomb. Both locations are near one another, you need to kill some of the wildlife before you can take them.
Recommended Level 20
Rewards 3,000 XP and 15,000 Gil. This quest is far more dangerous than the previous ones. Go or the Rock of Ravagoth, but where you would normally go left, take the right up the red hot rocks. They will deal damage as you ascend, don’t hang out there, avoid any fights whenever possible. Once you reach the top snap a picture of the cave and then go out there before you are consumed by flames.
Recommended Level 22
The photography spot is right back at the location where Chapter 1 ended. There will be some Imperial resistance on your way, but once you clear your way and do the snapshot, head back to Lestallum. The quest awards 3,500 XP and 17,500 Gil.
Recommended Level 25
There are three places you need to photograph. This quest will yield 4,000 XP and 20,000 Gil. These can be completed in random order. Three sub quests will be added to your log marking the locations, because of their proximity to Imperial bases you can expect some ambushes when you get close to each.
Cleigne Imperial base: Taken from the road that passes to the north of the base.
Duscae Imperial Base: The photo is taken from the bridge on the south side of the base.
Leide Imperial Base: The photo is taken from the dirty road leading to the southern corner of the base.
Recommended Level 30
The final Vyv quest awards 5,000 XP and 25,000 Gil. This can be either done while visiting Altissia during the story, or you may return after by calling Umbra at a rest spot. Take a gondola, ride to the floating bar, talk to the maiden to mark the location on your map and then engage the “A Lost Painting” hunt. Take the gondola to the Ministerial Quarters Station, go down into the basement and kill Chadamook. She will be resistant to all physical weapons and vulnerable to Royal weapons as well as fire. Go back to Vyv to turn in the final quest.