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

- Screenshot Showcase (get both of them):
+document.getElementsByName("file_type")[0].value = 5;
+document.getElementsByName("image_width")[0].value = 1000;document.getElementsByName("image_height")[0].value = 1;

- Workshop Showcase:
+ Long workshop: $J('[name=consumer_app_id]').val(480);$J('[name=file_type]').val(0);$J('[name=visibility]').val(0);
+ 150x150:
document.getElementsByName("file_type")[0].value = 11;

- Link to get steam Textures and Templates:
https://steamproxy.net/sharedfiles/filedetails/?id=2144483683

- Link guide how to make long Workshop:
https://steamproxy.net/sharedfiles/filedetails/?id=1844816495