photoshop help

[Feather Duster]

no matter what i do, images backgrounds will not stay transparent :hea:

it's transp. in PS, but when i upload it, BAM! white background!

can someone help me here? :o

[Punaxe]

Do you export it to a filetype that supports transparency, e.g. GIF or PNG?

[Feather Duster]

oh, they were all jpeg, whops, thanks :)