AffPhoto (Mac): GausBlur not included in new brush

[catlover]

I'm having a terrible time creating a brush:
The file consists of 2 layers, the lamp itself and the "Halo shine" around it.
When exporting the file as PNG, the halo either : a)Shifts position and or b) doesn't show at all in the brush.
See example attachments.

I have:
1. created the file in Designer > export to photo >rasterize layers >create brush
2. created the file in photo itself from scratch.

In both cases the problem persists.
Anyone has any ideas about what goes wrong ?
Any help is appreciated, as always.

C.L.

 

light.afbrushes

light5.afphoto

[Callum]

Hi CatLover,

When I create a brush from the Photo document it seems to appear fine. Please could you try my attached brush?

Thanks

Callum

Catlover's brush.afbrushes

[catlover]

Hi, Callum

Thanks for your prompt answer and the brush.

It works just grand.

So, that leaves the question, where did I go wrong with my brush ???
Obviously I made a mistake somewhere along the line, could it be because I exported it as a PNG ?

I really can't figure it out ... Also the shift in position is very odd, the halo moves upward when I export it.
At one earlier trial the entire the entire picture (separate layers) even ended up with one enormous Gaussian Blur applied when exported as PNG,
which made it well, one big blurrrrrr 

Anyway, thanks again very much for your trouble !