1. You can blacklist uploaders who mainly upload stuff you don't like (in settings) 2. Tags can be watched, hidden and assigned weights (https://ehwiki.org/wiki/My_Tags) 3. Some tags should give you an warning before opening, unless you disabled it. (delete the nw cookie to enable it again)
The art is pretty good, my only wish is that there's a page showing the evolution transition because it's easy to mistake this as two separate pokemon rather than the same one that evolved after eating the fish pokemon.