Iphone Text Message Problems?

I have an iPhone 4 and for the last hour, every time I try to send a text message or iMessage, the message will disappear from the text screen before it's finished sending.
Has anyone else had this problem? How do I fix this?

Straight talk sim doesn't work

I have an iPhone 3GS factory unlocked with every firmware backed up. I bought a straight talk sim for iPhone 3G-4S on Walmart.com. When i registered my straight talk sim with an activation card it didn't didn't work aka NOT RECOGNIZED on their website. I put the sim in my iPhone and nothing came up i tried airplane mode 10 seconds didn't work. I tried a lot of things. Please give me some information that i could possibly use W/ my phone so i don't have to buy another.

What are some good/entertaining game for the iPhone?

So I just got an iPhone recently and the apps I have already are:
Temple Run
Temple Run 2
Shadow Pop
Guess the Icon and Logos in 1 Picture
What Logo?
BlokHeads
What am I
What Phrase
What Saying?
Waiting is Magic
MyLittlePony (Don't judge)
Scribble
Say the Same Thing
Candy Crush
Draw Something 2
Family Fued

Thanks to everyone who helps me out with some games!

Why can't i make a call on iphone?

I just got an iphone 5 yesterday and i can recive calls but can't call anyone. Is there something in the settings that will fix this?

Why isn't my iPhone music showing it's album covers?

So I have purchased all of my music from my iPhone, but I decided to plug it into my computer yesterday so I could add an AC/DC CD that I bought. When the album was put onto my phone, only the AC/DC album covers showed up! Is there a solution?

How to get a dynamic background on the iPhone 4 on iOS 7?

I have an iPhone 4 (not 4S or 5) and would like to know how to get dynamic background or panoramic background on my phone running, what I believe Beta 3, iOS 7. I would like answers for the iPhone 4 please. Not 4S or 5.

Added (1). I have already tried to go to the Settings>Wallpaper & Brightness> and so on. I only see "Stills". I took a panoramic picture using an app, and it shows up in the folder "My Panoramas". The phone thinks they are actual panoramic pictures but never fully loads. It says "Loading… " indefinitely.