The search field at the top allows you to remove any matching items you don't want before they're downloaded.

Right-Click menu

Move Up - Moves the selected subjects up one line.  Articles will be downloaded sooner.

Move To Top - Moves the selected subjects to the top of the list.  Articles will be downloaded first.

Move Down - Moves the selected subjects down one line.  Articles will be downloaded later.

Move To Bottom - Moves the selected subjects to the bottom.  Articles will be downloaded last.

Move Similar To Top - Moves subjects that are similar to the selected subjects to the top of the list.

Move Similar To Bottom - Moves subjects that are similar to the selected subjects to the bottom of the list.

Reverse Order - Reverses the whole queue.  Files at the bottom are moved to the top and files at the top will become last.

Download Order - No Preference downloads the files in order from top to bottom.  Oldest First downloads the lowest article numbers first regardless of order.  High priority articles such as those marked by the Download Now command download first regardless of order.

Remove - Removes the selected articles from the queue.

Remove Similar - Removes articles from the queue that are similar to any of the selected items.

Remove does not stop active downloads.  Use the Progress tab for that.

Save Queue - Saves the current list of articles to a .bbq file so you can shut down and continue the downloads later.  The .bbq file has the same name as the list.  For example, the queue for pictures.lst would save to pictures.bbq.

Load Queue - Loads a previously saved queue.

Remove All - Removes all articles that aren't already downloading.