Perhaps the next SpreadFirefox campaign for 1.1 should be a TV ad? Run a 30 second spot during a decent timeframe. Just the publicity of the organization is significant press for Firefox, and will help generate some buzz for 1.1. The actual ad itself would be extra.
A CBS Monday night ad for example could prove rather effective. With Two and a Half Men, Everybody Loves Raymond (last season ends pretty soon), CSI Miami are all very well watched shows. Even if were not at the peak (9:00 – 10:00), there’s still a decent viewership during the time period. That would be my #1 choice. It’s not the most watched period, so it won’t be as expensive, but still gets quite a solid fanbase.
Another great period to investigate would be Fox on Sunday. The Simpsons have a large cult following, you can bet that’s got quite a large geek following in there as well. That might be a great group to target. Teens, young adults, etc. That would be another sport to consider. Between 8:00 and 9:00 would work rather well.
Obviously putting all names in it isn’t possible, so a tag “this advertisement is paid for by Spreadfirefox.com members” could be put at the end. Perhaps even a “I’m Firefox, and I approve this message” voiceover could be added (just kidding).