Here are some of my favorite scriptures about thanksgiving. Get the full reading assignment here.
“In every thing give thanks: for this is the will of God in Christ Jesus concerning you” (1 Thessalonians 5:18).
“…rejoice evermore, and in everything give thanks;” (D&C 98:1).
“…O how you ought to thank your heavenly King!” (Mosaic 2:19).
“..live in thanksgiving daily, for the many mercies and blessings which he doth bestow upon you” (Alma 34:38).
“Thou shalt thank the Lord thy God in all things” (D&C 59:7).
“And he who receiveth all things with thankfulness shall be made glorious; and the things of this earth shall be added unto him, even an hundred fold, yea, more” (D&C 78:19).
This short video clip from Elder Nelson about recognizing blessings from Heavenly Father is really great.