*Thread Approved*

Your English is good mashaAllah.

1. If she was not previously married, consent is not required as silence is consent in her case due to her shyness and bashfulness. A written consent is perfectly okay.
The Prophet (peace and blessings of Allaah be upon him) said: “No previously-married woman (widow or divorcee) may be married until she has been asked about her wishes (i.e., she should state clearly her wishes), and no virgin should be married until her permission has been asked (i.e., until she has agreed either in words or by remaining silent).” They asked, “O Messenger of Allaah, how is her permission given (because she will feel very shy)?” He said: “By her silence.” (Reported by al-Bukhaari, 4741)

2. I don't get what was completed wrong? Did the Imaam make a mistake, and wasn't it noticed right there when he made the mistake? Anyways, both families go together to imaam to point out his error, and I'm sure it's fixable and if it's not he'll explain why.

3. Gawahs are witnesses I'm guessing, right? If so, then:
The marriage contract must be witnessed, as the Prophet (peace and blessings of Allaah be upon him) said: “There is no marriage contract except with a walee and two witnesses.” (Reported by al-Tabaraani; see also Saheeh al-Jaami’, 7558)

4. Shariah allows culture, as long as the culture does not conflict with the Shariah. Music is clearly haraam, and therefore would not be allowed, but if the songs do not contain background instruments or only the daaf, then that is okay. I haven't been to Pakistani wedding where there isn't videoing, but I see it as more harm than good. I understand wanting to hold onto to memories, but if women who are ghair mahram will be videoed, that violates their modesty and is totally wrong.