@alexandrabriggs I’m not very familiar with SMS marketing.  It looks like they’ve been discussing similar topics in the Small Business forum though.  :)

• Building a SMS List -  http://www.socialmediaexaminer.com/clubs/small-business/forum/topic/sms-list/ 
• How are you using mobile in your marketing - http://www.socialmediaexaminer.com/clubs/small-business/forum/topic/using-mobile-in-your-marketing/ 
• Mobile / SMS resources - http://www.socialmediaexaminer.com/clubs/small-business/forum/topic/mobile-resources/ 
• Mobile websites -  http://www.socialmediaexaminer.com/clubs/small-business/forum/topic/mobile-websites/