Activity › Forums › Boris FX Particle Illusion › transparent backgrounds Boris FX Particle Illusion transparent backgrounds Posted by Steve White on March 1, 2006 at 11:10 pm transparent backgrounds in avi format? Alan Lorence replied 20 years, 2 months ago 2 Members · 1 Reply 1 Reply Alan Lorence March 1, 2006 at 11:44 pm Not possible in 3.0. You have to save as TGA or PNG for alpha channel. Alan. wondertouch Reply to this Discussion! Login or Sign Up Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Reply to this Discussion! Login or Sign Up