Your problem seems that youre confusing different things in your game. The first error means youre confusing a level with an image, and in the particle problem youre confusing a VECTOR with an ENTITY.

All those are different things meant for different purposes. When you want to load an image you must not load a level, and when a function like your createGreenSparks01 needs a VECTOR you have to give it a VECTOR and not an entity like "me".