I agree that no spankings is good--to a degree.
I am a student of the Bible, and would like to point out to you some verses that have helped me decide this issue.
Proverbs 3:5 Trust in the Lord with all your heart and lean not on your own understanding; in all your ways acknowledge him, and he will make your paths straight.
Proverbs 3:11 My son, do not despise the Lord's discipline and do not resent his rebuke, because the Lord disciplines those he loves, as a father the son he delights in.
Proverbs 9:10-12 The fear of the Lord is the beginning of wisdom, and knowledge of the Holy One is understanding. For through me your days will be many, and years will be added to your life. If you are wise, your wisdom will reward you; if you are a mocker, you alone will suffer.
Proverbs 10:27 The fear of the Lord adds length to life, but the years of the wicked are cut short.
Proverbs 13:24 He who spares the rod hates his son, but he who loves him is careful to discipline him.
Proverbs 15:10 Stern discipline awaits those who leave the path; he who hates correction will die.
Proverbs 19:18 Discipline your son, for in that there is hope; do not be a willing party to his death.
Proverbs 19:20 Listen to advice and accept instruction, and in the end you will be wise.
Proverbs 20:11 Even a child is known by his actions, by whether his conduct is pure and right.
Proverbs 23:13 Do not hold discipline from a child; if you punish him with the rod, he will not die. Punish him with the rod to save his soul from death.
Proverbs 22:15 Folly is bound up in the heart of a child, but the rod of discipline will drive it far from him.
Proverbs 22:6 Train up a child in the way he should go, and when he is old, he will not turn from it.
Proverbs 29:15 The rod of correction imparts wisdom, but a child left to himself disgraces his mother.