fixed climbing nodes on lazy level and pixel issues on gay island

Fixes: 
![Screen Shot 2013-04-06 at 3 45 42 AM](https://f.cloud.github.com/assets/3616721/348572/9a2197a2-9f63-11e2-9ee6-2916927c352f.png)
![Screen Shot 2013-04-06 at 3 47 32 AM](https://f.cloud.github.com/assets/3616721/348573/9b42144a-9f63-11e2-94ec-b10bddd7c6c3.png)