Steam Artwork
document.getElementsByName("image_width")[0].value = 1000;
document.getElementsByName("image_height")[0].value = 1;

Steam Workshop Showcase
$J('[name=consumer_app_id]').val(480);$J('[name=file_type]').val(0);$J('[name=visibility]').val(0);

Steam ScreenShot Showcase
document.getElementsByName("file_type")[0].value = 5;

-novid -high -nojoy -nod3d9ex +fps_max 0 +fps_max_menu 0