[Thank you|Thanks] for the &money-amount you [bestowed upon|sent] me for &occasion.
[This is |#]just a quick note to [say "thank you"|thank you] for the &money-amount [I [got|received] from you|you sent< me>] for &occasion.
I'm <just >writing to say [thanks|"thank you"] for the &money-amount you <graciously >[gave|sent] me for &occasion.
I don't know how to thank you <[properly|enough] >for the &money-amount you [sent|gave] <me >for &occasion.
You can't imagine how surprised I was to discover that you had sent me &money-amount for &occasion!
[Thanks|Thank you] for the &money-amount[. I|; i]t was [the perfect|a great] [present|gift] for &occasion.
I <really >love [getting|receiving] money for &occasion, [since|because] [that|it] means I can <always ><go out and >[spend it on|use it for] what I really [want|need]. [Thanks|Thank you] for the &money-amount.
I <really >[appreciate|enjoyed receiving] the &money-amount you [gave|sent] me for &occasion.
Of all the [presents|things] I [received|got] for &occasion, I [liked|loved] your <gift of >&money-amount [the most|more than anything else].
[This is |#]just a brief note to [say [thanks|"thank you"]|thank you] for the &money-amount [you sent|I received from you] for &occasion.
