Simply replace the unfilled areas such as "__" and "_[date]_" with your information.
We just wanted to thank you for the [name of gift] that you gave us for our wedding. We sincerely appreciate and thank you for it.
Thank you for joining us in the celebration of our marriage. I'm so glad that you could make it to the wedding, it was great to see you [both], we hope you had an enjoyable time.
All the best,