Rember to use these tiles on grass too(see attached), you can spilt the first one up like i did in my 2nd level (First outside :P)
And you got tile errors at the chair north from the tree trunk table, Try using the outside chairs too, they fit better ;P
http://forums.graal2001.com/forums/s...threadid=46738
(See my level here, near the buttom of the thread)