Guth Posted some wonderful beach and pool tiles which are no longer accessible.
Here they are.
Beach blankets(towels), Beach Umbrellas, Sea shells, Star fish, Beach Umbrellas, LifeGuard Hut, Beach ball
Pool with animated water
Guth’s blog is still arond, where you can see his old screenshots and can try and contact him if you like.
http://vampyrevx.wordpress.com/
GrandmaDebsLittleBits 
Can I use the tiles in a commercial game or do I need to contact Guth?
If I had any information about Guth allowing commercial use, I would have posted it ; sorry, Guth’s blog doesn’t seem to be current or have any commercial info. You can try to contact Guth, is all I can recommend.