Activity for Bride2Be

How do you address the outer envelope of a wedding invitation if you're not doing inner envelopes? Specifically with kids names? Example: My cousin and his wife have 4 kids varying from age 5-15, would you write all 4 names under theirs? Back story:...

Our wedding colors are light purple and light grey but im worried about having too much purple everywhere. We're ordering overlays for the reception tables but I'm curious if others have used overlays on all the tables or only every other table....