+[H] Worldmap should have a flag to allow to go to another map after finishing
+ a level from that one.
+ It might be cool to have a (place group in the worldmap file that would
+ allow such stuff as: levels, messages, wrapping and worldmap changing
+ (or even combinations).
+[H] Change resolution to 800x600
+ - Levels need to be updated to resolution
+ - half of the levels have been already updated
+ - some fixed levels still have "glitches". See the menu level where
+ some of the tiles are "wrong" and don't fit
+[H] Buttjump related things
+ - Should kill enemies with a certain range
+ - Done--now needs to be tweaked
+ - Animation (need images)
+ - Should be a powerup item (still to be discussed)
+ - Should break bricks if Tux is on top of bricks, otherwise it should
+ kill enemies within a close range.
+ - After enemy-kill is used, powerup should be removed from Tux
+[H] Icebullet related things
+ - we should decide on specifics
+[H] Tux should fall while walking in tiles that have a space between.
+ - Possible solution: reduce Tux's width when checking collision with tiles
+[H] Graphics
+ - New forest tileset
+ - Badguy sprites
+ - Tux's buttjump animation
+[H] Background code have the following bugs:
+ - Gradient in software rendering doesn't currently work (at least here).
+ - Images tiling code sucks resulting in glitches and unecessary drawings.
+ Matze: can you give more details? The code looks perfectly fine to me