Now, here's a good job of scaling-Sacrifice of Angels

[Photon]

http://ds9.trekcore.com/gallery/albums/6x06/sacraficeofangels154.jpg

Defiant and 3 BoP attacking what looks like a Jem Battle Cruiser

 

[Thor Damar]

Ah, Sacrifice of Angels, the CGI battlescene that keeps on giving.

 

[Jono]

You're obviously joking, but despite the scale issues it is a cool scene.

 

[PKTrekGirl]

Best space battle ever.