use only jpg images in the gallery
use only jpg images in the gallery

hoopoe/Visualization-Library,VizLibrary/Visualization-Library,hoopoe/Visualization-Library,VizLibrary/Visualization-Library,yk35/Visualization-Library,VizLibrary/Visualization-Library,yk35/Visualization-Library,VizLibrary/Visualization-Library,yk35/Visualization-Library,hoopoe/Visualization-Library,VizLibrary/Visualization-Library,VizLibrary/Visualization-Library