Howto find out if a specific blog or web support do-follow?

Use your mouse

1. Put your mouse pointer on the link sample

2. Check link properties

external nofollow mean its no follow link

To find out installed addon in firefox :

1. Click Tools -> Add-ons

2. See instaled add-ons

Howto overwrite wordpress sidebar from installed themes?

1. Login to wordpress dashboard

Click Design -> Design

2.See widget configuration

3. Drag and drop from availabe widget for each sidebar.