John from Quilt Dad blog has a very clear and informative tutorial with step by step pics on how to assemble these Wonky Log Cabin Blocks.
To follow John's tutorials click on the following links:-
Wonky Quarter Log Cabin Blocks quarter log cabins of the wonky variety
Wonky Squares-inSquares Block pretty well self explanatory.
Wonky Bento Box-Style block - basically 4 quarter log cabin blocks to form one block
Great blocks to make fast easy and interesting quilts.