Snippet for putting the iAd at the TOP of the screen rather than the bottom in a PhoneGap app; this is a slight tweak of the code in Scott DeSapio's note: http://engineering.scottdesapio.com/2013/02/add-iad-to-phonegap-application.html

gistfile1.txt

- (void)webViewDidFinishLoad:(UIWebView*)theWebView
{
    // Black base color for background matches the native apps
    theWebView.backgroundColor = [UIColor blackColor];

    adView = [[ADBannerView alloc] initWithFrame:CGRectZero];
    CGRect adFrame = adView.frame;
    if([UIApplication sharedApplication].statusBarOrientation
       == UIInterfaceOrientationPortrait
       || [UIApplication sharedApplication].statusBarOrientation
       == UIInterfaceOrientationPortraitUpsideDown) {
        adView.currentContentSizeIdentifier =
        ADBannerContentSizeIdentifierPortrait;
        
         adFrame.origin.y = 0;
        //resize the webview below it - bfl
         theWebView.frame = CGRectMake(0, adView.frame.size.height,
                                        theWebView.frame.size.width,
                                        self.view.frame.size.height-adView.frame.size.height);
         
        //adFrame.origin.y = self.view.frame.size.height-adView.frame.size.height;
    } else {
        adView.currentContentSizeIdentifier =
        ADBannerContentSizeIdentifierLandscape;
        adFrame.size.width = adView.frame.size.width;
        adFrame.origin.y = 0;
        
        theWebView.frame = CGRectMake(0, adView.frame.size.height,
                                      theWebView.frame.size.width,
                                      self.view.frame.size.height-adView.frame.size.height);
        
        //adFrame.origin.y = self.view.frame.size.width-adView.frame.size.height;
    }
    adView.frame = adFrame;
    [self.view addSubview:adView];
    
    return [super webViewDidFinishLoad:theWebView];
}