When I saw "need a programmer", I thought you want to hire a programmer. My DIY kit offers everything you need and more at a fraction of the price you would pay a programmer.

Or you could buy my Wise Clock 4 kit which has the above mentioned features and much more.
http://timewitharduino.blogspot.ca/2011/12/buy-complete-wise-clock-4-kit-includes.html

Curious thing: last week I was working with another Atmega168 and, suddenly, I received the same error. I assumed that I burnt the chip and threw it away, but, considering that I get the same error weith a new and identical chip, it makes me wonder. What could be the problem?

Did you check the voltage of your power source? (Should be max 6V.)
A photo of the setup may help identify a wiring issue.

Take a look at this shield:
https://www.sparkfun.com/products/10661
Is yours going to use the same 2 chips?

This code disables the JTAG on port C:

Code:

uint8_t tmp = 1<<JTD; // Disable JTAG
MCUCR = tmp; // Disable JTAG
MCUCR = tmp; // Disable JTAG

i found wifi modules for like 5-6 bucks

Where?

This is definitely not a beginner project.
If you really want to go this path, you should start with a regular wifi shield, make a working prototype, then optimize (it in terms of price and size).
PS One way to cut the price (save about $20) is to use make own arduino (instead of using the Uno).

I changed the code line it also didn't work !!

What error do you get?
Can you see COM25 in the device manager?

According to this microsoft article
http://support.microsoft.com/kb/115831
COM ports higher than 9 are named like this: \\.\COM10

I don't have windows 7 to test it, but I think it will work if you change the line to:

Code:

  com = fso.OpenTextFile("\\\\.\\COM25:9600,N,8,0", ForReading)

What version of Windows are you running on?
What COM port are you using?
Can you post your code?

The code you linked to is a VB script (running on Windows) that reads characters on a COM (serial) port and saves them to the specified file.
Did you try running it? What part of the code you don't understand?

You may find some inspiration in this open source project:
http://shop.evilmadscientist.com/productsmenu/tinykitlist/157

There are many ways to do that:
1. save the data on SD card (text file);
2. send data through Bluetooth directly to your Android app;
3. send data through USB (serial port) to PC.

Did you find this tutorial?
http://arduino.cc/en/Guide/ArduinoWiFiShield

This comment is from HT1632.h:

HT1632.h - Library for communicating with the popular HT1632/HT1632C
  LED controllers. This library provides higher-level access (including
  text drawing) for these chips. Currently, the library supports writing
  to a single chip at a time, and has been tested with a single
  Sure Electronics 3208 5mm red board.