Setup:
KnoppMyth R5C7
Wireless NIC: D-Link G520
/etc/network/interfaces:


With that MythTV has internet access but other PCs on my network can't connect to http://192.168.1.117. I run iwconfig to check the settings and I can see that it's actually got the essid of a neighbors insecure network.

I go to shell (as admin) and do:


Now everything is perfect. http://192.168.1.117 is accessible and MythWeb comes up. So how do I get it make those settings at bootup?

I tried adding this to /etc/network/interfaces but no luck:


I realize the solution is probably quite simple but I'll admit to being a Linux n00b. I've searched the forums extensively, that's how I got this far. Help greatly appreciated!

*edit* Additional info.
If I have the "wireless-" lines in the interfaces file then after booting up and running iwconfig to see the settings, I see that essid and the key are set right. But the Access Point is all zeros.

Solved!
With the "wireless-" lines in the interfaces file AND having Broadcast SSID enabled on my router, everything is good on boot up.