Palm Sunday decorations - This many arches would block the view of the pastor. Maybe make an arch behind the altar? Use something heavy that won't tip and attach firm, shapeable wire to each side. Wire palms onto arch wire so that they hide the wire and meet in the center.
A church alter which has been decorated to celebrate Easter using the traditional Easter colour of purple and beautiful flowers to symbolise the celebration of the resurrection of Christ. Description from I searched for this on