SVGs
Here are the SVG screenshots in all their glory. KSVG doesn't handle CSS properly yet, and neither does librsvg. Adobe and Batik both do.
SVG::Chart::Bar
SVG::Chart::BarHorizontal
SVG::Chart::Line
SVG::Chart::Pie
SVG::Chart::Plot
SVG::Chart::TimeSeries
SVG::Chart::Schedule
PNGs
Here are the icky, bitmapped PNGs. PNG is a beautiful file format, don't get me wrong; but it is best for things that vector graphics aren't good at, such as pictures.
SVG::Chart::Bar
SVG::Chart::BarHorizontal
SVG::Chart::Line
SVG::Chart::Pie
SVG::Chart::Plot
SVG::Chart::TimeSeries
SVG::Chart::Schedule