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One remark : with your pictures (with black background) and using [pix_add], you needn't alpha channel because all black pixels become transparent (with [pix_add]), so you needn't [alpha].<div><div>Then here, new pictures and a new patch.<br><div>++</div><div><br></div><div>Jack</div><div><br></div><div></div></div></div></body></html>