I have daily 3000 to 4000 hits but earn nothing

No offense but your forum is so Girly! You must change the color of your forum template if you want your forum to look more serious.

 

you may try to insert adsense code in the fold between posts in forum like digitalpoint forum .
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I think 10 clicks are enough but if your earnings are greater

 

I have a forum, with 1000> views a day
its hard to me to get 5 clicks

so, i don't expect too much from my forum

 

Ok friends you are saying i must increase traffic first So please tell me the some ways to increase the traffice for my forum i will very thankfull to you

 

Place your ads in between the posts and optimize the appearance of the ads that match with your website appereance.

 

yea man you totally need to change the colour to start!

 

improve the appearance of your site
and position of ads

 

yeah i agree with most people here u need to change the design of your site

 

Good job man, 8 month old thread, I think you win the most worthless post of the day award. The day is still young so its not finial.