Queued means that the host is busy uploading to others , and puts your upload into the queue line, so you'll have to wait till your turn. Sometimes it can be 1 hour or even more.You can do one of the following:
1. Right-click on the active download, click on 'Get More Sources' . This will make search for other hosts having the same identical file .
OR
2. select another file/host from the search results. Try to get from a non-firewalled source. You can check this by right-clicking on the search result and click on 'File Availability' .

This is what you see when right-click in search result.

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