<form action="avatar1.php" method="post" > 
  				 
   
  		 
  			<p style="font-weight: bold; font-size: 1.1em">Kendine yepyeni bir avatar seçmeye hazır mısın?</p> 
  			<div style="float: left; padding-top: 20px"> 
  				<label><input type="radio" name="direction" value="ornek.png" checked="checked" /><img src="resimler/ornek.png"/></label> 
  <label><input type="radio" name="direction" value="avatar.gif" /><img src="resimler/avatar.gif"/></label> 
  <label><input type="radio" name="direction" value="avatar1.gif" /><img src="resimler/avatar1.gif"/></label> 
  <label><input type="radio" name="direction" value="avatar2.gif" /><img src="resimler/avatar2.gif"/></label> 
  <label><input type="radio" name="direction" value="avatar3.png" /><img src="resimler/avatar3.png"/></label> 
  			</div> 
  			 
  			<br style="clear: both" /> 
  <input type="submit" value="Tamam" /> 
  	</form>

$kullanici_adi         = $_POST['avatar']; 
  mysql_query("insert into table uyeler values ('$kullanici_adi')");

mysql_query("insert into table uyeler values '".$_POST["avatart"]."');