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.

Various iterations of the "PJ" logo and stickman graphics on dark backgrounds. Pearl Jam Wallpapers (40 images) - WallpaperCat WallpaperCat

Iconic black and white or vibrant color shots of Eddie Vedder and the band on stage.

High-res variations of the Ten cover and Gigaton era graphics.