can you use a createimage image for collide?

I create an image like this

Method makerocks(sizer,r,g,b)
		Cls
		SetColor  r,g,b
		DrawOval 0,0,sizer,sizer
		SetColor 0,0,0
		DrawOval 1,1,sizer-2,sizer-2
		SetColor 255,255,255
		
		Local a=CreateImage(sizer,sizer,1,DYNAMICIMAGE|MASKEDIMAGE)
		GrabImage a,0,0
		
		Cls
		
		MidHandleImage(a)
		
		If gfxlist=Null gfxlist=CreateList()
		gfxlist.addlast a
		
	End Method

can I use this image in ImagesCollide?or imagescollide2?
I'm having problems getting them to collide and just making sure it's not my created image.



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thanks
mudcat

For those of you who are wondering if you can,the answer is yes.
I promise for now on to check my code for 6 hrs before asking for help.
Here's me slapping my forehead<-------

Thanks,
mudcat