Where can I get motifs for my Posterous Blog
Apart from http://themes.posterous.com/ there aren't any kind of motif databases (yet) given that Posterous just lately obtained this attribute. You can attempt to make use of existing tumblr motifs, a lot of them need to function, else you will certainly need to do slight modifications.
Posterous blogged concerning this below : http://blog.posterous.com/posterous-theming-its-here-its-live-and-its-t
In this instance they demonstrate how to port motifs from various other blog sites http://posterous.com/theming/porting