Pour le thème hivernal, tu trouveras ici quelques motifs:
https://www.jeuxvideo.com/forums/1-11372-5017387-1-0-1-0-ville-a-theme.htm#message_5017388
Pour le thème automnal:
Feuilles mortes :
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=136040
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=426889
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=44456
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=158377
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=483491
Sol, herbes
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=161423
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=44021
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=164175
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=285929
Terre
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=456224
Ecureuil
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=248316
Chemins
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=476579
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=476578
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=476580
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=476583
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492808
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492809
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492810
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492811
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492812
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492813
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492814
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492815
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492816
http://www.animalcrossingcommunity.com/pattern_print.asp?PatternID=492817