Some resources about Eloquent ORM

Here the links:

• Eloquent Cheat Sheet 
• Eloquent with Laravel 
• Use Eloquent without Laravel
• 20 Laravel Eloquent Tips and Tricks

Eloquent collections methods

The Eloquent ORM provides a beautiful, simple ActiveRecord implementation for working with your database.
The results of Eloquent queries are always returned as Collection instances and Eloquent has a list of methods to work with Collections.

Here it is an interesting article about 10 less-known Eloquent collections methods:
avg()
chunk()
contains()
every()
filter()
forget()
implode()
keyBy()
map()
plunk()