[Crono]

Merged your threads/posts together. The only way to learn is to keep practicing. Search through this forum for examples from different people. Here's how to do it and also a list of some people that are worth looking at:

Click on the search link on the top bar.
Click advanced search.
On the right side, type in a member's name (I'll list some you can look through).
Select "Find Threads Started by User"
On the long list of forum sections click "Level Design"
Then click the "Search Now" button.

Some names worth searching:
WanDaMan
King homer daStupid
DustyPorViva