'You are good' is in Dutch 'jij bent goed'.
Good - goed
goedenavond
Prettig weekend!
"Good morning my handsome brother" is in Dutch "Goedemorgen mijn knappe broer".
Goede [or Goeie] morgen is a Dutch equivalent of 'Good morning'.Goedemorgen or goeiemorgen.The dutch way of saying 'good morning' is 'Goeiemorgen'.
Goede ( Goeie ) Namiddag
Slaap lekker
"Good morning sunshine" is in Dutch "goede morgen zonnestraal". However it's not common to say that in Dutch.
"Wees aardig" Wees = BeAardig = Nice/good
If you mean to say that something is really awesome (cool), than in Dutch you can use the same word. If you mean to say that something is cold (cool), you can say: koel or koudor fris.
In Dutch you say "interieur" or "inwendig".
In general goedenacht, when you also go to sleep people say welterusten ;)