You can find a variety of high-quality Pearl Jam wallpapers in various resolutions, including the classic Stickman Logo and live performance shots, through dedicated wallpaper sites.
For high-resolution options like 1920x1080 (which scales well to your requested size) and beyond, platforms such as Wallpaper Abyss and WallpaperFlare offer extensive galleries featuring:
Iconic black and white or vibrant color shots of Eddie Vedder and the band on stage.
Various iterations of the "PJ" logo and stickman graphics on dark backgrounds. Pearl Jam Wallpapers (40 images) - WallpaperCat WallpaperCat