UDK alpha issue

bcottage

The image shoudl explain it but i cannot get rid of the rubbish alpha around my fern model?

I have circled where i think should have fixed it but nothing

Gheromo

check this out: http://www.cgtextures.com/content.php?action=tutorial&name=alphabg

Harbinger

Use the Dialation Photoshop filter that xNormal comes with. It will bleed the pixel colors of the edge of your diffuse and eliminate that edge.