I am using RWs builds in photo album and I am rebuilding my site with a new theme in 7. I noticed that my PNG’s have a black background in the thumbnail and in the lightbox. Is there a way to change the color of that background so that my black pngs show up?
Is there any reason you are using PNGs instead of JPEGs? JPEGs usually make smaller files.
I am guessing, that you’ve made your PNGs with a transparent white background – therefore they assume the color of your website’s background.
Typically its just what I provide my clients with for logos(so they are easier for me to work with) Yes the alpha channel is transparent.
The RW default Photo Album converts every photo during publishing into jpg’s. No way to change that in the default photo album.
NB: Of course you are able to use png’s in Gallery Stack 3.
So, as Jannis suggested, looks like you’ll have to use another gallery. There is a great multitude of them to choose from…