"TILES" constant and showimg()s

[Er1c]

This may not be a bug and just a missing feature, but it is something I expected to work which didn't which is why I'm posting it here in the bug forum.

The "TILES" constant which works with GUIShowImgCtrl()s does not work with normal showimg()s. Normally it would set the image to whatever the player's current tile set is, which would be very useful for showimg()s for displaying tiles on the level. It's much easier this way rather than converting screen coordinates to level coordinates, especially when making tiles show where they will appear (at integers 0-63 instead of floats) on the level.