Récupérer 1ère image d'un article dans un flux RSS

Personne ? :(

Je sais que le fichier est lourd à parcourir.

je pense avoir trouvé la partie utilisée pour la récupération d'image.
Code:
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	// handle the sources
		var handle_sources = function() {
			// if no external sources - initialize with the local ones
			if(settings.src.length == 0) {news_date_sort($lcnb_wrap_obj);}
 
			var g_proxy = 'https://ajax.googleapis.com/ajax/services/feed/load?v=1.0&num='+ settings.max_news +'&callback=?&q=';
			$.each(settings.src, function(index, v) {
				var src_obj = this;
				var params = '';
				var to_call = '';
 
				// find the url to call to get the data
				switch(this.type) {
if(this.type == 'rss' || this.type == 'pinterest') {
					to_call = g_proxy + encodeURIComponent(to_call);
				} 
 
// fetch news from the sources	
		var fetch_news = function(index, type, src, params, src_opts) {
 
			// data to exclude 
			var exclude = (typeof(settings.hide_elements) == 'undefined') ? '' : settings.hide_elements;
			if(typeof(src_opts.hide_elements) == 'string') {exclude = exclude + ',' + src_opts.hide_elements.replace('date.', '');}
 
			// fixed image
			var fixed_img = (src_opts.img == undefined) ? false : src_opts.img; 
 
			// images max sizes
			var max_img_size = (typeof(src_opts.max_img_size) == 'object') ? src_opts.max_img_size : false; 
 
			// regular expression to link textual URLs
			var url_exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
 
			// fetch
			var dataType = (type == "facebook" || type == "twitter") ? "json" : "jsonp";
			$.ajax({
				url: src,
				data: params,
				dataType: dataType,
				cache: settings.cache_news,
				success: function(resp) {
					var error = false;
switch(type) {
default: // rss and pinterest
 
							if (resp.responseStatus == 200)  {resp = resp.responseData.feed.entries;}
							else {error = resp.responseDetails;}
							break;		 	
					}
 
default: // rss
 
									// if an image is specified in mediaGroup - override main one
									if(!fixed_img) {
										if(
											typeof( news.mediaGroups) != 'undefined' &&
											typeof( news.mediaGroups[0].contents) != 'undefined' &&
											typeof( news.mediaGroups[0].contents[0].thumbnails) != 'undefined' &&
											typeof( news.mediaGroups[0].contents[0].thumbnails[0].url ) != 'undefined'
										) {
											fixed_img = news.mediaGroups[0].contents[0].thumbnails[0].url;
											var forced_fixed_img = true;
										}
									}
 
									var fixed_date = normalize_date_str(news.publishedDate);
									var d = new Date(fixed_date);
									var managed_data = man_feed_descr( $.trim(news.content), fixed_img, max_img_size, settings.src[index].strip_tags, settings.src[index].remove_tags, true);
 
									var news_obj = {
										time	: d.getTime(),
										date 	: fixed_date,
										title	: news.title,
										txt		: managed_data.txt,
										link	: news.link,
										s_link	: news.link,
										img		: managed_data.img
									};
 
									if(typeof(forced_fixed_img) != 'undefined') {
										fixed_img = false;	
									}
									break;		 	
							}