Hmmm, should have looked in the code archive prior to posting, these links seem to be what I'm looking for :
http://www.blitzbasic.com/codearcs/codearcs.php?code=883 (replace color)
http://www.blitzbasic.com/codearcs/codearcs.php?code=1371 (5 overlay effects)
I'll try them out tomorrow and see if they're what I need.
http://www.blitzbasic.com/codearcs/codearcs.php?code=883 (replace color)
http://www.blitzbasic.com/codearcs/codearcs.php?code=1371 (5 overlay effects)
I'll try them out tomorrow and see if they're what I need.