AmpScript external content

External Content: %%httpget "http://targetbase.com/images/common/nav_logo.jpg"%% %%httpget "http://gatorade-emails.s3.amazonaws.com/.txt"%% %%=GetPortfolioItem("example.gif")=%% %%=ContentArea("24642")=%% %%=Image("joescrabshack","DefaultImage")=%% %%=treatascontent(HTTPGet("http://gatorade-emails.s3.amazonaws.com/fuel-like-a-pro/ET_Decline_Form.html"))=%% Set @content = HTTPGet("http://www.example.com/")