Hi Merdogan, thank you for your comment. There are two things that should be taken in consideration:
1. "Ich küsse und arme dich um" will be used seldom in German and only if you are writting to someone very very close as for example your husband/wife or your sister/brother or a friend who is really very very near to you, it is just too familiar and intimate for the german way of thinking.
2. "Besos y abrazos" or "besos y un abrazo" in Spanish can mean kisses and hugs for you but also can mean hugs and kisses for you and your family, there is no way to know in this context who is meant here ;o).
For the reasons above I did not consider using "Ich küsse und arme dich um"
sahinal, you should read the notes about the translation before. I explained clearly why I took "schöne Grüße", and you are not seriously suggesting to translate "hug" as "liebkosung" aren't you?