Activity for Rachael

Do you send save-the-dates to only guests you're inviting? I have people who I was considering sending them to, but as we have a small wedding they wouldn't actually be invited to the wedding. Mostly people who have supported us along the way but...

So I am a very visual person with minimal styling/party planning experience and I am planning my own wedding. The main problem I'm running into is I'm having a hard time visualizing what everything will look like the day of, flowers, which colors...