claviska/simple-php-captcha — Issue #1: Background not respecting alpha channel
Author: JavierParra
Created: 2012-02-10 07:21:05+00:00
State: open

To fix just add this two lines ~ line 115

```php
imagealphablending($captcha, true); // setting alpha blending on
imagesavealpha($captcha , true); // save alphablending setting (important)
```

Sorry if this isn't the right way to do this. I'm new to GitHub :)