Here's Dead Mens Boots, a Mosaic by the Last Stand of the Wreckers team that serves as a sort of prequel to the comic, and is probably the only in-continuity Mosaic*.
http://transformers-mosaic.deviantar...oots-168166799
*Well, there was Hail and Farewell by Furman, but IDW screwed that over so they could do AHM.