You asked about sealing the lids. They should stay sealed if you carbed the kegs. The small amount of CO2 coming out of solution will keep the pressure up high enough to keep a good seal. If you are worried about it just hit them with CO2 every now and then.
Secondary: 10gal-Double IPA, 5gal-Pure Apple Cider,
Kegged: 10gal-Christmas Ale, 5gal-Hopped Up Stout, 5gal-Light Rye Ale, 5gal Dunkel Bock
Bottled: DFH 120 Clone (Kicks your A$$)
"Brew happy, brew often, and always brew with friends." -Me
"I dont home brew because I'm poor, I'm poor because I home brew!!!" -Me
"If I ever leave this world alive ill be drinkin up in the sky, with you my friend by my side" RIP B.G.
And always remember friends "Do NOT set yourself on fire"