G'day there Mikael,
>> Many of WM support only XPM and PNG. Also possible use some lib like
>> imlib2.
>
>
> Of course, but using a lib adds a dependency which is exactly what I'm
> reluctant to do. I obviously didn't intend to reimplement libpng in
> openbox.
Why ever not? It's not as though you've got nothing else to do is
it? <chucklechucklechuckle>