Here is one I found...it is a PDF file...shows quite a few!
http://www.quiltstudy.org/includes/downloads/galleryguide.pdf
galleryguide.pdf (application/pdf Object)
And here is another one:
http://www.straw.com/equilters/library/logcabin/easy_log_cabin_part4.html
Free Easy Log Cabin Quilt Block - page 4 - arranging log cabin blocks in various quilt top sets