All info about the files can be found from the links below:

Offset Poster and Flyer: http://graphicriver.net/item/offset-poster-and-flyer/858368
Pop Art Iconic Poster and Flyer: http://graphicriver.net/item/pop-art-iconic-a3-a4-poster-and-a6-a5-flyer/692816
Clean Simple A3 Poster and A6 Flyer: http://graphicriver.net/item/clean-simple-a3-poster-and-a6-flyer/150180

All custom shapes and free re-sizer are included in this file.
The Clean Simple A3 Poster and A6 Flyer was featured on PSD Tuts Plus as ‘20 Outstanding GraphicRiver Flyers and Posters’ http://psd.tutsplus.com/articles/web/flyers-posters/ ‘If you’re looking for a flyer or mailout with tons of breathing room, this is your template. Every layer is vector based, no pixel layers, patterns, or smart layers so it is completely editable and scalable.’ and on many other blogs across the net