Hope this helps, if it hasn't been posted before.
Tips using gizmo.

Gizmotips

Note the "guts" of the voting process is demonstrated in the video below

QUOTE
Download and install the newest version Gizmo (Windows or Mac)
Run it, create your first account if you haven't already and open log in
If you have a contact called voting proceed to step 6
Go to the Contact tab then from the menu click Contacts > Add Contact
In the Gizmo 5 ID: box enter the following: voting
Click on the voting contact
Click on Start Chat and then type in the number 1
You will see a list of contestant's numbers. Choose Archie's. It will begin to register your 25 votes.
It will instruct you to wait for an email before you can vote again but don't wait, even if you've used a valid e-mail account. You can vote again using this account in 8-10 minutes but the e-mail takes about 30 min to arrive... so don't wait. Log out of Gizmo
Log in using another account and repeat the necessary steps