Here are links to the walkthroughs for Ariane in Paradise.  You might want to try playing without them first, its more fun, but if you get lost here you go.

#1 A Great Start

#2 Getting Through Day 1

#3 Day 2 Secrets of the Jungle

#4 Day 2 Beach and Coral Reef

#5 Afternoon on Day 2

#6 The Desirable Day 3 Path

#7 The Other Day 3 Paths

#8 Getting the Full Gallery

Achievement Index:

Aviary FAQ #5
Ball Handler #7
Bird Droppings #3
Cabin FAQ #5
Cave FAQ #3
Chateau FAQ #3
Dancing Naked in the Streets #7
Dirty Jokes #5
Driving FAQ #5
Full Gallery #8
Gymnastics in the Nude #7
Hide and Seek #4
Hotel FAQ #6
Jungle Explorer #3
Lake Skinny Dipping #7
Master Spy #4
Naked Diving #4
Naked Sailing #5
Naked Volleyball #7
Nice Outfit #6
Nude Beach #4
Nude Cavern #3
Nude Sunbathing #1
Pirate Cove FAQ #2
Police FAQ #7
Pop Art #3
Sailing FAQ #5
Sex Scenes #2, #3, #4, #5, #6, #7
Scientific Expedition #3
Seashells on the Seashore #4
Store Nudity #2
Swimming with Dolphins #5
Topless with Rachel #2
Waterfall Nudity #3
Win Big or Go Home #5