I'm not a pro of this. I'm only 17 and are selfleardned with photoshop so be kind hehe. Anyway I feel that the poster I've made is very messy (not sure how to explain it in english) but let's see what you think. I could really need some help with what I can improve.
Some are written in Swedish so I'll translate:
"Stampen - torsdag 23april"
" Stampen (the place we are playing at) - thursday 23rd April"
"Insläpp kl. 20.00 / 18årsgränds
"Inlet(guess it's called that in english, it's when people are allowed to get in the gig): 20.00 / 18years old-limit