Graphic Artist for Logo changes and 4 T-shirt designs

Poverty relief Charity looking to create 4 T-shirt designs around the Poverty relief theme based on our design ideas as well as make alterations / changes to the current logo to give it a more professional look and make it more adaptable as a logo. Please send me samples of your previous design work - so that I can get a general idea of your design abilities. Please find attached a general sample of the type of T-shirt design quality that we are looking for. Please post your bids. I need the work completed between 3-5 days. Please do not bid if you cannot do it and don't bid if you cannot send any samples. Otherwise you will be deleted. Thank you Mast