connect(this, SIGNAL(fetchImage(QUrl)), m_imageFetcher, SLOT(fetchImage(QUrl)));
connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)), this,
SLOT(imageReceived(QUrl, QPixmap)));
connect(this, SIGNAL(fetchImage(QUrl)), m_imageFetcher, SLOT(fetchImage(QUrl)));
connect(m_imageFetcher, SIGNAL(imageReceived(QUrl,QPixmap)), this,
SLOT(imageReceived(QUrl, QPixmap)));