I've ran Build and Analyze on my XML parsing code and found out the following:

How could I fix it?
I've ran Build and Analyze on my XML parsing code and found out the following:

How could I fix it?
[channelListing addObject:[[channelListingItem copy] autorelease]];
You need to release the copy of channelListingItem. As you're passing it to the channelListing, you can just autorelease it as it will be "owned" by that mutable collection.
you need to release it as said, the channelListingItem is retaining it.