Some of them are kinda plain... erm i mean.. the background doesnt blend in with the render...
Anyways, that's some basic steps using clipping masks, brushes, etc so ill just end it with a good job ^^.
Provide more information...
Texts you want to be in there like dates... place... participation fee.. etc.
Also, size and such you know... anything that will help the designer.
Huge font size for my taste, also since the 'Online: 13' is not an input field that takes values i would delete it (referring to the black box of 'Online: 13').
As abou the banner.... wayy to simple imo and the same goes for the whole design, i mean that's the basic knowledge of web designing.
KIU mate.
Παρεμπιπτόντως, έκανες τοπικ σε λάθος σεξιον.
Όσον αφορά το ποστ σου, έχει μερικές σειρές βίντεο στο youtube, όπως...
ακολούθησε τα μέρη, νομίζω είναι 19 τα επόμενα είναι κάποιες επεξηγήσεις.