Prize(s):

10,000 ec credits ($50 Value)
160×600 ad slot for a month ($25 Value)
Three 125×125 ad slots for a month ($25 Value each)
Five free copies of the eBook “How To Profit From Adbrite/Black Label Ads For Beginners” ($10 Value each)

How to Enter:
To enter the contest make a post on your blog or subscribe to the [...]

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DETAILS
Ploomy.com is the site that delivers what men need to know. Use this as inspiration and write an article of 500 to 1,000 words in length (if it’s longer, it better be really good). You can make our readers laugh, provide advice, compose a helpful list or just share some insanely useful knowledge. If you’re [...]

Greatest Reviews is holding a contest with multiple prizes including a bunch of advertising, some cash, and other various items.
Prizes:
1. 2 One hour’s consultation time for blogging sponsored by The University Kid ( 2X50$=100$)
2. 1,000 copies of $1 e-Book sponsored by BlogPremiere (1000$ )
3. 3 Sidebar 125 X 125 ADS for one month (3X15$=45 $)
4. [...]

Prize(s):
1500 EntreCard credits to lucky contest winner of each month until the end of 2008
How to Enter:
Follow contest link and:
1. Drop your EntreCard
2. Subscribe to DetectorPro feed.
3. Leave a Comment on this post - Your site address and Your EC email
4. Write a post about this contest on your site, and include the following code: [...]

Huge contest going on over at DNXpert.com:
Contest Steps And How To Earn Entry Points:

Subscribe to DNXpert newsletter using the form above - required. (1 point )
Blog about this contest (10 points)
Blog about this contest and include the Prize Recap list in your post. You can download the Prize Recap list code here. (20 points)
Follow the [...]

The Net Fool is holding a huge contest on his blog, here are the prizes:
Cash

$250 Cash from PepperJam Network
$50 Paypal Cash from Ades Blog
$25 Paypal Cash from Sohaib Thiab

Web Hosting

1 Year Web Hosting from Young Online Millionaire

WordPress Themes & Design

$500 Custom Premium Blog Design from Pixel Jig
2 Copies of the Revolution WordPress Theme from Brian [...]

Nofullstop.com is holding a big contest with prizes worth $1600. Most of these are advertising, logo design, consultation, etc.
The Prizes are listed on the contest page. Here’s how to enter:
Subscribe to email feeds. (Required for all. Remember to confirm the email which you get else your participation won’t be valid.)
Each of these ways count as [...]

Blog-Almighty is holding a contest with some various prizes:
(1) Grand Prize Winner
* $30 via PayPal
* 500 EntreCard credits
* One month advertising slot (125×125) on our sidebar (currently priced at $15 a month)
(2) First Runner Up
* $20 via PayPal
[...]

DatMoney is holding a contest to win all sorts of exposure from around the blogosphere. This includes full reviews and various ad spots on quite a few “Make Money Online” blogs, as well as a few other miscellaneous prizes.
To enter:
10 Entries: Write about this contest, link back to the contest page, and copy and paste [...]

Winning the Web is holding a contest giving away a ridiculous amount of prizes. And this isn’t your usual “$13,000 in prizes” and it turns out to be all advertising that’s “worth” $13,000. They’re giving away over $13,000 of real prizes!
Cash
$650 Cash from Azoogle Ads
$500 Cash from PepperJam Network
$250 Cash from NeverblueAds
$200 Cash from BidVertiser
$200 [...]