What about increasing the range of graphical functions and add those for drawing rect (not only filling it), single line and maybe some others?

Yeah, good idea.

Well, this one, perhaps, is my personal primary feature suggestion now <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt=":)" title="Smile" /><!-- s:) --> since I am going to begin coding some things for Korax RPG that most probably will require line drawings and pixel painting. I believe it isn't difficult to implement really? <!-- s;) --><img src="{SMILIES_PATH}/icon_wink.gif" alt=";)" title="Wink" /><!-- s;) -->