I think your level is not enough edited, we recognise 1-1, and saw some misplaced entrances
but it is quite good, try now to do a complete level from an empty area

Yes, it is just edited but you said: "(...)to understand how works Reggie!". I would say that you can improve the theme. Palm trees are beach theme. So I would recommend to use Beach (Pa1_kaigan.arc).
To understand Reggie! and to work with Reggie isn't simple to understand. I needed very long to get the experience I needed. Additionally skill with tilesets should be practised (I would open Nintendos levels and look how they used the tilesets.)

Yes, it just edited... and this level has some similarities with the original version. I had only 4 hours experience with Reggie! and it was very difficult to start a new level from the beginning. But I understand how the levels (0,1,2) works. Also, there are some objects, like as palm trees, which you can copy/paste from another level with different theme. ;)

For being your first level it's very good I think.
Although is 1-1 edited, I give you a seven and keep up the good work :D

Thanks islishe for your rate!! :) Super Mario Bros Wii is the second game i have finished in wii emulator (the first it was the world of goo) and... i love it!! Also, It's amazing the capabilities of Reggie! tool. Sure, It's little difficult to improve my skills of using this program without a good tutorial... I hope to do it very soon. ;)

To improve your skills, you just have to practice and explore all options...
no tutorial could help to use Reggie!

Clem's is right, if you practise more, finally you will do awesome levels

Ok, I found it! :) Objects like as "palm trees", you can place at everywhere you want, no matter what theme you are using. At the 5th tab of palette... (all you have to do: select the object with code-id 424)... The same and for the other objects... The "palm trees" of beach's theme are only for the background. So, just I make my first level from the beginning with 3 star coins, a midway point flag and 8 red coins!! I think I known the basics, now. Thanks guys for your help (and your rating). ;) It isn't so hard to use the Reggie! Level Editor...
(Also, when I said at my first comment " I understand how the levels (0,1,2) works" I mean: " I understand how the layers (0,1,2) works") ;)

Looking forward to your next levels ;)
It good to see some new and good level designers in the Depot.

Last tip : try to learn most of the sprites ID by heart, and choose the "search" tab...