retrive image from feed parser

I am using MWFeedParser to download feeds in my app. So far it's working fine - however, I donnot know how to retrive image from feed and view in the detailed article??

 

Thanks 4 r replay
Itried to parse each article for it's image URL. This is the code I have currently:

Code:

// MWFeedItem.h

NSData* firstImg;
@property (nonatomic, retain) NSData* firstImg;
MWFeedItem.m
add synthesize and dealoc

Code:

// RootViewController.m

- (NSString *)getFirstImage:(NSString *)htmlString{

NSScanner *theScanner;
NSString *text = nil;

theScanner = [NSScanner scannerWithString: htmlString];

// find start of tag
[theScanner scanUpToString: @"<img src=\"" intoString: NULL];
if ([theScanner isAtEnd] == NO) {
    NSInteger newLoc = [theScanner scanLocation] + 10;
    [theScanner setScanLocation: newLoc];

    // find end of tag
    [theScanner scanUpToString: @"\"" intoString: &text];
}

return text;
}

(void)feedParser:(MWFeedParser *)parser didParseFeedItem:(MWFeedItem *)item {
NSLog(@"Parsed Feed Item: “%@”", item.title);    

NSString* str_imageUrl = [self getFirstImage:item.summary];    

item.firstImg = [NSData dataWithContentsOfURL:[NSURL URLWithString:str_imageUrl]];     

if (item) [parsedItems addObject:item];      
}

but still I can't view the image

 

No my functtion doesn't return image url!