Having read Herman Tulleken’s extensive tutorial on seamless tiles with great gusto and happy-joys, it’s nice to see an article on the Wolfire blog dealing with a similar topic.
Any of you ever tried generating something like terrain or other repetitive surfaces? Two things usually happen: first, the result turns out to be horrendously ugly, and then it turns out to be horrendously difficult to fix up.
Read up, folks! You don’t need to be an artistic whiz to follow the advice of pieces like this.