JSN_Cube Template background - Joomla! Forum - community, help and support

i using cube site , customize little more. in "promo" section (#jsn-content-top-wrapper-inner1), i'd change own image; however, consists of 2 made triangles on both sides , rectangle middle. how of go changing custom image? on other hand, think stick module "promo area? help

http://ametheus.com/casey

to insert custom image promo section, can create new module, select position promo , insert picture custom output.
please check attached files more details. inserted 1 image sample data.
is need?