Menorot (plural of Menorah) can come in any shape. They are 7 branched candle holders, and often the branches for a half circle.
If you are talking about a Hanukkah Menorah (Hanukkiyah), they can also come in many different shapes and sizes.
Just like this: Happy Hanukkah
Because, like Purim, Hanukkah is not commanded in the Torah itself. See also:More about Hanukkah
The candleholder is called a Chanukiyah (Hanukkah-menorah), which sounds like Chanukah.
Happy Hanukkah Chanukah samei'ach
Like Lincoln's birthday, Hanukkah is not about presents, it is about remembering a certain historic occasion. There is no "Hanukkah caroling".
France and Hanukkah are not connected. However, French Jews celebrate Hanukkah, just like Jews in all other countries.
You mean like Santa Claus? No. That is not a Jewish kind of attitude or belief.See also:More about Hanukkah
There is no tradition of sending flowers on Hanukkah. That would be like sending flowers on Labor Day.
Wintry weather.
It is a four-sided top, used in a Hanukkah game.
חנוכה שמחSee also: More about Hanukkah
You shouldn't. Hanukkah and Christmas are no necessarily on the same day, so it would be inappropriate to wish someone a happy Hanukkah on December 25, if that day isn't during of Hanukkah. A better idea would be to look on a calendar to see when Hanukkah falls, then then wish your Jewish friends a Happy Hanukkah on Hanukkah.