[Image-SIG] Image paste method resulting in garbage pixels in images

[Fredrik Lundh]

David Gobaud wrote:

> We are using PIL to render images. When we use the Image paste method to 
> blend 2 RGBA image we end up with garbage pixels in the output as shown 
> below. How can we fix this?

can you send me the two image layers used to create that image? (or post 
them somewhere and mail me a link)

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