1. Press Y to bring up the Menu and then RB to access the online features.
2. Now select My Gallery.
3. Use the RB/LB buttons to find the EA Picks.
4. Choose a level that has the tree icon in the top left corner.
5. Press A and A again to view it.
6. Once the user created level has loaded, click on Y and select Save Locally & Remix (bottom right icon)
7. Give it a name and the achievement should unlock